background image

Please read this instruction manual carefully and keep it for future reference. This information will 
help you to familiarize yourself with your new Weather Station with Atomic Time (3 Remote Sensors 
Included). This product should only be used as described within these instructions. Unauthorized 
repairs, modifications or changes to the product are prohibited. This product is intended for 
home use only. 

OVERVIEW
1. 

[ SNOOZE ] button

2. 

[ CH/+ ] button

3. 

[ ALARM SET ] button

4. 

< °C/°F > slide switch

5. 

<   /    >Visual angle slide switch

6. 

[ SENSOR ] button

7. 

[ RCC ] button

8. 

[ RESET ] button

9. 

[ TIME SET ] button

10. 

[ MEM/- ] button

11. Wall-mounting hole
12. Table stand
13. Battery compartment

DISPLAY
Normal time mode
1. AM/PM (12 Hour format)
2. Time
3. Outdoor humidity
4. Sensor signal indicator
5. Weather forecast indicator
6. Low battery indicator for sensor
7. Indoor humidity
8. Indoor temperature
9. MAX/MIN indicator
10. Outdoor temperature
11. Ice Alert on
12. RC signal strength indicator
13. DST
14. Time zone indicator

Alarm time mode
1. Alarm time
2. Alarm icon/Alarm on
3. Alarm mode indicator

TRANSMITTER

1. LED indicator:
    - Flashes when the remote unit transmits a reading.
2. Wall mounting hole
    - Use to affix the transmitter on the wall.
3. [ RESET ] button
    - Press to reset the transmitter.
4. [ CHANNEL ] slide switch
    - Assign the transmitter to Channel 1, 2 or 3.
5. Battery compartment
    - Accommodates 2 x AA size batteries.
GETTING STARTED
• Remove the battery door of the clock and sensors.
• Insert 4 new AA size batteries to the clock, and 2 to the sensors according to the “+/-” polarity mark  
 on the battery compartment.
• Replace the battery doors.
• Once the batteries are inserted, full segment of the LCD will be shown briefly.
• Press the [ RESET ] button of main unit fi rst, then press the [ RESET ] button on each transmitter.
• The main unit will automatically receive 433 MHz signal from the transmitters for the channel test  
  within 8 seconds.
• The channel test will last for 5 minutes, at which time the RC signal reception sequence will  
  commence automatically.
NOTE:
If no display appears on the LCD after inserting the batteries, press the [ RESET ] button by
using a pointed instrument. In some cases, you may not receive the RC signal immediately,  
due to atmospheric disturbance. The best reception often occurs during nighttime.
HOW TO PAIR MAIN UNIT AND SENSOR
1. Press [ CH / + ] button on main unit to select a channel.
2. On sensor, slide channel switch to corresponding channel. (For additional sensors, select a
    different channel). Press 

[ RESET ] button.

3. Press 

[ SENSOR ] on main unit to initiate the search for sensor.

4. Repeat sequence for additional sensors.
DAYLIGHT SAVING TIME (DST)
The clock will automatically advance the time by one hour in the spring and back an hour in the
fall, provided that the DST function is enabled.
DST function is set to AUTO by default.
WIRELESS SENSOR RECEPTION
If the main unit receives wireless sensor signal successfully, the signal icon “          “ is displayed.
If it cannot receive sensor signal or signal is lost, “        ” icon is displayed.
RECEPTION OF RADIO CONTROLLED SIGNAL
The time and date are radio-controlled. The current time and date are automatically
synchronized with the time signal transmitted from WWVB station in Colorado.
• The clock automatically carries out 4 periodic synchronization procedures (2:00 AM, 8:00 AM,
2:00 PM and 8:00 PM daily) with the RC signal to correct any deviations from the exact time.
• Once the unit synchronizes successfully to the RC signal, the signal icon “      “ will be
displayed. Each synchronization process will take between 6 to 16 minutes.
• To manually start or stop the RC signal reception procedure, press the [ RCC ] button.
NOTE:
• The strength of radio-controlled time signal from the transmitter tower may be affected by
geographical location or surrounding buildings.
• Always place the unit away from interfering sources such as TV set, computer, etc.
• Avoid placing the unit on or next to metal surfaces.
• Closed areas such as airports, basements, tower blocks, or factories may not receive a
strong signal.
SIGNAL RECEPTION INDICATOR
The signal indicator displays signal strength in 4 levels. Wave segment fl ashing means time signals
are being received. The signal quality could be classified into 4 types:

TIME ZONE SETTING
Your clock is designed to display time for different time zones. Please refer to the SETTING THE
TIME AND CALENDAR section to set your desired time zone in following order: 
PST (Pacific)         MST (Mountain)          CST (Central)          EST (Eastern)

SETTING THE TIME AND CALENDAR
• In normal time mode, press and hold [ TIME SET ] button for 3 seconds until the 12/24 Hr
  flashes on the display.
• Press [ CH/+ ] or [ MEM/- ] button to choose 12 or 24 Hour format.
• Press [ TIME SET ] button again until Hour digit flashes and press [ CH/+ ] or [ MEM/- ] button
  to adjust its value.
• Repeat the above operations to set the time and calendar in this sequence:  

 

 

 

  12/24Hr           Hour          Minute          Second          Time Zone
• Press [ TIME SET ] button to save the setting and exit setup mode, or the clock will automatically  
  exit after 30 seconds if no buttons are pressed.

WEATHER STATION WITH ATOMIC 

TIME (3 REMOTE SENSORS 

INCLUDED)

 Model: BA030016

USER MANUAL

Please read this instruction manual carefully and keep it for future reference. This information will 
help you to familiarize yourself with your new Weather Station with Atomic Time (3 Remote 
Sensors Included). This product should only be used as described within these instructions. 
Unauthorized repairs, modifications or changes to the product are prohibited. This product is 
intended for home use only.

OVERVIEW

1.

[ SNOOZE ]

 button

2.

[ CH/+ ] 

button

3.

[ ALARM SET ]

 button

4.

< °C/°F >

 slide switch

5.

<   /  >

Visual angle slide switch

6.

[ SENSOR ] 

button

7.

[ RCC ] 

button

8.

[ RESET ] 

button

9.

[ TIME SET ]

 button

10.

[ MEM/- ]

 button

11. Wall-mounting hole
12. Table stand
13. Battery compartment

11

1
2

3

4

5

6

7

8

9

10

12

13

DISPLAY

 

Normal time mode
1. AM/PM (12 Hour format)
2. Time
3. Outdoor humidity
4. Sensor signal indicator
5. Weather forecast indicator
6. Low battery indicator for sensor
7. Indoor humidity
8. Indoor temperature
9. MAX/MIN indicator
10. Outdoor temperature
11. Ice Alert on
12. RC signal strength indicator
13. DST
14. Time zone indicator

Alarm time mode
1. Alarm time
2. Alarm icon/Alarm on
3. Alarm mode indicator

1

2

3

TRANSMITTER

1

2

3

4

5

1. LED indicator:

- Flashes when the remote unit transmits a reading.

2. Wall mounting hole

- Use to affix the transmitter on the wall.

3.

[ RESET ] 

button

- Press to reset the transmitter.

4.

[ CHANNEL ] 

slide switch

- Assign the transmitter to Channel 1, 2 or 3.

5. Battery compartment

- Accommodates 2 x AA size batteries. 

GETTING STARTED

● Remove the battery door of the clock and sensors.
● Insert 4 new AA size batteries to the clock, and 2 to the sensors according to

the “+/-” polarity mark on the battery compartment.

● Replace the battery doors.
● Once the batteries are inserted, full segment of the LCD will be shown briefly.
● Press the 

[ RESET ]

 button of main unit  rst,  then press the 

[ RESET ]

 button on each transmitter.

● The main unit will automatically receive 433 MHz signal from the transmitters for the channel test 

within 8 seconds.

● The channel test will last for 5 minutes, at which time the RC signal reception sequence will 

commence automatically. 

   

NOTE:

If no display appears on the LCD after inserting the batteries, press the 

[ RESET ]

 button by 

using a pointed instrument. In some cases, you may not receive the RC signal immediately, due 
to atmospheric disturbance. The best reception often occurs during nighttime.

HOW TO PAIR MAIN UNIT AND SENSOR

1. Press

 [ CH / + ]

button on main unit to select a channel.

2. On sensor, slide channel switch to corresponding channel. (For additional sensors, select a 

different channel). Press

 [ RESET ]

 button.

3. Press

 [ SENSOR ]

 on main unit to initiate the search for sensor.

4. Repeat sequence for additional sensors. 

DAYLIGHT SAVING TIME (DST)

The clock will automatically advance the time by one hour in the spring and back an hour in the 
fall, provided that the DST function is enabled.
DST function is set to AUTO by default.

    ” is displayed. 

WIRELESS SENSOR RECEPTION

If the main unit receives wireless sensor signal successfully, the signal icon “ 
If it cannot receive sensor signal or signal is lost,  “     ” icon is displayed.

RECEPTION OF RADIO CONTROLLED SIGNAL

 The time and date are radio-controlled. The current time and date are automatically 
synchronized with the time signal transmitted from WWVB station in Colorado.
● The clock automatically carries out 4 periodic synchronization procedures (2:00 AM, 8:00 AM, 

2:00 PM and 8:00 PM daily) with the RC signal to correct any deviations from the exact time. 

● Once the unit synchronizes successfully to the RC signal, the signal icon  "     " will be 

displayed. Each synchronization process will take between 6 to 16 minutes.

● To manually start or stop the RC signal reception procedure, press the 

[ RCC ]

 button. 

NOTE:

● The strength of radio-controlled time signal from the transmitter tower may be affected by 

geographical location or surrounding buildings.

● Always place the unit away from interfering sources such as TV set, computer, etc.
● Avoid placing the unit on or next to metal surfaces.
● Closed areas such as airports, basements, tower blocks, or factories may not receive a 

strong signal. 

SIGNAL RECEPTION INDICATOR

The signal indicator displays signal strength in 4 levels. Wave segment  ashing means time signals 
are being received. The signal quality could be classi ed into 4 types:

 or

 

No signal

Weak signal 

 Acceptable signal

Excellent signal 

TIME ZONE SETTING

Your clock is designed to display time for different time zones. Please refer to the SETTING THE 
TIME AND CALENDAR section to set your desired time zone in following order: PST (Paci c) 
MST (Mountain) 

 CST (Central) 

 EST (Eastern) 

SETTING THE TIME AND CALENDAR

● In normal time mode, press and hold 

[ TIME SET ]

 button for 3 seconds until the 12/24 Hr 

flashes on the display.

● Press 

[ CH/+ ] 

or

 [ MEM/- ]

 button to choose 12 or 24 Hour format.

● Press 

[ TIME SET ]

 button again until Hour digit flashes and press 

[ CH/+ ] 

or

 [ MEM/- ] 

button 

to adjust it's value. 

1
2

3
4
5

8

6
7

10

12

9

13

14

11

C8458A-PD16055M Marathon  2016.5.18 indd.indd   1

2016/5/18   11:22:01

WEATHER STATION WITH ATOMIC 

TIME (3 REMOTE SENSORS 

INCLUDED)

 Model: BA030016

USER MANUAL

Please read this instruction manual carefully and keep it for future reference. This information will 
help you to familiarize yourself with your new Weather Station with Atomic Time (3 Remote 
Sensors Included). This product should only be used as described within these instructions. 
Unauthorized repairs, modifications or changes to the product are prohibited. This product is 
intended for home use only.

OVERVIEW

1.

[ SNOOZE ]

 button

2.

[ CH/+ ] 

button

3.

[ ALARM SET ]

 button

4.

< °C/°F >

 slide switch

5.

<   /  >

Visual angle slide switch

6.

[ SENSOR ] 

button

7.

[ RCC ] 

button

8.

[ RESET ] 

button

9.

[ TIME SET ]

 button

10.

[ MEM/- ]

 button

11. Wall-mounting hole
12. Table stand
13. Battery compartment

11

1
2

3

4

5

6

7

8

9

10

12

13

DISPLAY

 

Normal time mode
1. AM/PM (12 Hour format)
2. Time
3. Outdoor humidity
4. Sensor signal indicator
5. Weather forecast indicator
6. Low battery indicator for sensor
7. Indoor humidity
8. Indoor temperature
9. MAX/MIN indicator
10. Outdoor temperature
11. Ice Alert on
12. RC signal strength indicator
13. DST
14. Time zone indicator

Alarm time mode
1. Alarm time
2. Alarm icon/Alarm on
3. Alarm mode indicator

1

2

3

TRANSMITTER

1

2

3

4

5

1. LED indicator:

- Flashes when the remote unit transmits a reading.

2. Wall mounting hole

- Use to affix the transmitter on the wall.

3.

[ RESET ] 

button

- Press to reset the transmitter.

4.

[ CHANNEL ] 

slide switch

- Assign the transmitter to Channel 1, 2 or 3.

5. Battery compartment

- Accommodates 2 x AA size batteries. 

GETTING STARTED

● Remove the battery door of the clock and sensors.
● Insert 4 new AA size batteries to the clock, and 2 to the sensors according to

the “+/-” polarity mark on the battery compartment.

● Replace the battery doors.
● Once the batteries are inserted, full segment of the LCD will be shown briefly.
● Press the 

[ RESET ]

 button of main unit  rst,  then press the 

[ RESET ]

 button on each transmitter.

● The main unit will automatically receive 433 MHz signal from the transmitters for the channel test 

within 8 seconds.

● The channel test will last for 5 minutes, at which time the RC signal reception sequence will 

commence automatically. 

   

NOTE:

If no display appears on the LCD after inserting the batteries, press the 

[ RESET ]

 button by 

using a pointed instrument. In some cases, you may not receive the RC signal immediately, due 
to atmospheric disturbance. The best reception often occurs during nighttime.

HOW TO PAIR MAIN UNIT AND SENSOR

1. Press

 [ CH / + ]

button on main unit to select a channel.

2. On sensor, slide channel switch to corresponding channel. (For additional sensors, select a 

different channel). Press

 [ RESET ]

 button.

3. Press

 [ SENSOR ]

 on main unit to initiate the search for sensor.

4. Repeat sequence for additional sensors. 

DAYLIGHT SAVING TIME (DST)

The clock will automatically advance the time by one hour in the spring and back an hour in the 
fall, provided that the DST function is enabled.
DST function is set to AUTO by default.

    ” is displayed. 

WIRELESS SENSOR RECEPTION

If the main unit receives wireless sensor signal successfully, the signal icon “ 
If it cannot receive sensor signal or signal is lost,  “     ” icon is displayed.

RECEPTION OF RADIO CONTROLLED SIGNAL

 The time and date are radio-controlled. The current time and date are automatically 
synchronized with the time signal transmitted from WWVB station in Colorado.
● The clock automatically carries out 4 periodic synchronization procedures (2:00 AM, 8:00 AM, 

2:00 PM and 8:00 PM daily) with the RC signal to correct any deviations from the exact time. 

● Once the unit synchronizes successfully to the RC signal, the signal icon  "     " will be 

displayed. Each synchronization process will take between 6 to 16 minutes.

● To manually start or stop the RC signal reception procedure, press the 

[ RCC ]

 button. 

NOTE:

● The strength of radio-controlled time signal from the transmitter tower may be affected by 

geographical location or surrounding buildings.

● Always place the unit away from interfering sources such as TV set, computer, etc.
● Avoid placing the unit on or next to metal surfaces.
● Closed areas such as airports, basements, tower blocks, or factories may not receive a 

strong signal. 

SIGNAL RECEPTION INDICATOR

The signal indicator displays signal strength in 4 levels. Wave segment  ashing means time signals 
are being received. The signal quality could be classi ed into 4 types:

 or

 

No signal

Weak signal 

 Acceptable signal

Excellent signal 

TIME ZONE SETTING

Your clock is designed to display time for different time zones. Please refer to the SETTING THE 
TIME AND CALENDAR section to set your desired time zone in following order: PST (Paci c) 
MST (Mountain) 

 CST (Central) 

 EST (Eastern) 

SETTING THE TIME AND CALENDAR

● In normal time mode, press and hold 

[ TIME SET ]

 button for 3 seconds until the 12/24 Hr 

flashes on the display.

● Press 

[ CH/+ ] 

or

 [ MEM/- ]

 button to choose 12 or 24 Hour format.

● Press 

[ TIME SET ]

 button again until Hour digit flashes and press 

[ CH/+ ] 

or

 [ MEM/- ] 

button 

to adjust it's value. 

1
2

3
4
5

8

6
7

10

12

9

13

14

11

C8458A-PD16055M Marathon  2016.5.18 indd.indd   1

2016/5/18   11:22:01

WEATHER STATION WITH ATOMIC 

TIME (3 REMOTE SENSORS 

INCLUDED)

 Model: BA030016

USER MANUAL

Please read this instruction manual carefully and keep it for future reference. This information will 
help you to familiarize yourself with your new Weather Station with Atomic Time (3 Remote 
Sensors Included). This product should only be used as described within these instructions. 
Unauthorized repairs, modifications or changes to the product are prohibited. This product is 
intended for home use only.

OVERVIEW

1.

[ SNOOZE ]

 button

2.

[ CH/+ ] 

button

3.

[ ALARM SET ]

 button

4.

< °C/°F >

 slide switch

5.

<   /  >

Visual angle slide switch

6.

[ SENSOR ] 

button

7.

[ RCC ] 

button

8.

[ RESET ] 

button

9.

[ TIME SET ]

 button

10.

[ MEM/- ]

 button

11. Wall-mounting hole
12. Table stand
13. Battery compartment

11

1
2

3

4

5

6

7

8

9

10

12

13

DISPLAY

 

Normal time mode
1. AM/PM (12 Hour format)
2. Time
3. Outdoor humidity
4. Sensor signal indicator
5. Weather forecast indicator
6. Low battery indicator for sensor
7. Indoor humidity
8. Indoor temperature
9. MAX/MIN indicator
10. Outdoor temperature
11. Ice Alert on
12. RC signal strength indicator
13. DST
14. Time zone indicator

Alarm time mode
1. Alarm time
2. Alarm icon/Alarm on
3. Alarm mode indicator

1

2

3

TRANSMITTER

1

2

3

4

5

1. LED indicator:

- Flashes when the remote unit transmits a reading.

2. Wall mounting hole

- Use to affix the transmitter on the wall.

3.

[ RESET ] 

button

- Press to reset the transmitter.

4.

[ CHANNEL ] 

slide switch

- Assign the transmitter to Channel 1, 2 or 3.

5. Battery compartment

- Accommodates 2 x AA size batteries. 

GETTING STARTED

● Remove the battery door of the clock and sensors.
● Insert 4 new AA size batteries to the clock, and 2 to the sensors according to

the “+/-” polarity mark on the battery compartment.

● Replace the battery doors.
● Once the batteries are inserted, full segment of the LCD will be shown briefly.
● Press the 

[ RESET ]

 button of main unit  rst,  then press the 

[ RESET ]

 button on each transmitter.

● The main unit will automatically receive 433 MHz signal from the transmitters for the channel test 

within 8 seconds.

● The channel test will last for 5 minutes, at which time the RC signal reception sequence will 

commence automatically. 

   

NOTE:

If no display appears on the LCD after inserting the batteries, press the 

[ RESET ]

 button by 

using a pointed instrument. In some cases, you may not receive the RC signal immediately, due 
to atmospheric disturbance. The best reception often occurs during nighttime.

HOW TO PAIR MAIN UNIT AND SENSOR

1. Press

 [ CH / + ]

button on main unit to select a channel.

2. On sensor, slide channel switch to corresponding channel. (For additional sensors, select a 

different channel). Press

 [ RESET ]

 button.

3. Press

 [ SENSOR ]

 on main unit to initiate the search for sensor.

4. Repeat sequence for additional sensors. 

DAYLIGHT SAVING TIME (DST)

The clock will automatically advance the time by one hour in the spring and back an hour in the 
fall, provided that the DST function is enabled.
DST function is set to AUTO by default.

    ” is displayed. 

WIRELESS SENSOR RECEPTION

If the main unit receives wireless sensor signal successfully, the signal icon “ 
If it cannot receive sensor signal or signal is lost,  “     ” icon is displayed.

RECEPTION OF RADIO CONTROLLED SIGNAL

 The time and date are radio-controlled. The current time and date are automatically 
synchronized with the time signal transmitted from WWVB station in Colorado.
● The clock automatically carries out 4 periodic synchronization procedures (2:00 AM, 8:00 AM, 

2:00 PM and 8:00 PM daily) with the RC signal to correct any deviations from the exact time. 

● Once the unit synchronizes successfully to the RC signal, the signal icon  "     " will be 

displayed. Each synchronization process will take between 6 to 16 minutes.

● To manually start or stop the RC signal reception procedure, press the 

[ RCC ]

 button. 

NOTE:

● The strength of radio-controlled time signal from the transmitter tower may be affected by 

geographical location or surrounding buildings.

● Always place the unit away from interfering sources such as TV set, computer, etc.
● Avoid placing the unit on or next to metal surfaces.
● Closed areas such as airports, basements, tower blocks, or factories may not receive a 

strong signal. 

SIGNAL RECEPTION INDICATOR

The signal indicator displays signal strength in 4 levels. Wave segment  ashing means time signals 
are being received. The signal quality could be classi ed into 4 types:

 or

 

No signal

Weak signal 

 Acceptable signal

Excellent signal 

TIME ZONE SETTING

Your clock is designed to display time for different time zones. Please refer to the SETTING THE 
TIME AND CALENDAR section to set your desired time zone in following order: PST (Paci c) 
MST (Mountain) 

 CST (Central) 

 EST (Eastern) 

SETTING THE TIME AND CALENDAR

● In normal time mode, press and hold 

[ TIME SET ]

 button for 3 seconds until the 12/24 Hr 

flashes on the display.

● Press 

[ CH/+ ] 

or

 [ MEM/- ]

 button to choose 12 or 24 Hour format.

● Press 

[ TIME SET ]

 button again until Hour digit flashes and press 

[ CH/+ ] 

or

 [ MEM/- ] 

button 

to adjust it's value. 

1
2

3
4
5

8

6
7

10

12

9

13

14

11

C8458A-PD16055M Marathon  2016.5.18 indd.indd   1

2016/5/18   11:22:01

WEATHER STATION WITH ATOMIC 

TIME (3 REMOTE SENSORS 

INCLUDED)

 Model: BA030016

USER MANUAL

Please read this instruction manual carefully and keep it for future reference. This information will 
help you to familiarize yourself with your new Weather Station with Atomic Time (3 Remote 
Sensors Included). This product should only be used as described within these instructions. 
Unauthorized repairs, modifications or changes to the product are prohibited. This product is 
intended for home use only.

OVERVIEW

1.

[ SNOOZE ]

 button

2.

[ CH/+ ] 

button

3.

[ ALARM SET ]

 button

4.

< °C/°F >

 slide switch

5.

<   /  >

Visual angle slide switch

6.

[ SENSOR ] 

button

7.

[ RCC ] 

button

8.

[ RESET ] 

button

9.

[ TIME SET ]

 button

10.

[ MEM/- ]

 button

11. Wall-mounting hole
12. Table stand
13. Battery compartment

11

1
2

3

4

5

6

7

8

9

10

12

13

DISPLAY

 

Normal time mode
1. AM/PM (12 Hour format)
2. Time
3. Outdoor humidity
4. Sensor signal indicator
5. Weather forecast indicator
6. Low battery indicator for sensor
7. Indoor humidity
8. Indoor temperature
9. MAX/MIN indicator
10. Outdoor temperature
11. Ice Alert on
12. RC signal strength indicator
13. DST
14. Time zone indicator

Alarm time mode
1. Alarm time
2. Alarm icon/Alarm on
3. Alarm mode indicator

1

2

3

TRANSMITTER

1

2

3

4

5

1. LED indicator:

- Flashes when the remote unit transmits a reading.

2. Wall mounting hole

- Use to affix the transmitter on the wall.

3.

[ RESET ] 

button

- Press to reset the transmitter.

4.

[ CHANNEL ] 

slide switch

- Assign the transmitter to Channel 1, 2 or 3.

5. Battery compartment

- Accommodates 2 x AA size batteries. 

GETTING STARTED

● Remove the battery door of the clock and sensors.
● Insert 4 new AA size batteries to the clock, and 2 to the sensors according to

the “+/-” polarity mark on the battery compartment.

● Replace the battery doors.
● Once the batteries are inserted, full segment of the LCD will be shown briefly.
● Press the 

[ RESET ]

 button of main unit  rst,  then press the 

[ RESET ]

 button on each transmitter.

● The main unit will automatically receive 433 MHz signal from the transmitters for the channel test 

within 8 seconds.

● The channel test will last for 5 minutes, at which time the RC signal reception sequence will 

commence automatically. 

   

NOTE:

If no display appears on the LCD after inserting the batteries, press the 

[ RESET ]

 button by 

using a pointed instrument. In some cases, you may not receive the RC signal immediately, due 
to atmospheric disturbance. The best reception often occurs during nighttime.

HOW TO PAIR MAIN UNIT AND SENSOR

1. Press

 [ CH / + ]

button on main unit to select a channel.

2. On sensor, slide channel switch to corresponding channel. (For additional sensors, select a 

different channel). Press

 [ RESET ]

 button.

3. Press

 [ SENSOR ]

 on main unit to initiate the search for sensor.

4. Repeat sequence for additional sensors. 

DAYLIGHT SAVING TIME (DST)

The clock will automatically advance the time by one hour in the spring and back an hour in the 
fall, provided that the DST function is enabled.
DST function is set to AUTO by default.

    ” is displayed. 

WIRELESS SENSOR RECEPTION

If the main unit receives wireless sensor signal successfully, the signal icon “ 
If it cannot receive sensor signal or signal is lost,  “     ” icon is displayed.

RECEPTION OF RADIO CONTROLLED SIGNAL

 The time and date are radio-controlled. The current time and date are automatically 
synchronized with the time signal transmitted from WWVB station in Colorado.
● The clock automatically carries out 4 periodic synchronization procedures (2:00 AM, 8:00 AM, 

2:00 PM and 8:00 PM daily) with the RC signal to correct any deviations from the exact time. 

● Once the unit synchronizes successfully to the RC signal, the signal icon  "     " will be 

displayed. Each synchronization process will take between 6 to 16 minutes.

● To manually start or stop the RC signal reception procedure, press the 

[ RCC ]

 button. 

NOTE:

● The strength of radio-controlled time signal from the transmitter tower may be affected by 

geographical location or surrounding buildings.

● Always place the unit away from interfering sources such as TV set, computer, etc.
● Avoid placing the unit on or next to metal surfaces.
● Closed areas such as airports, basements, tower blocks, or factories may not receive a 

strong signal. 

SIGNAL RECEPTION INDICATOR

The signal indicator displays signal strength in 4 levels. Wave segment  ashing means time signals 
are being received. The signal quality could be classi ed into 4 types:

 or

 

No signal

Weak signal 

 Acceptable signal

Excellent signal 

TIME ZONE SETTING

Your clock is designed to display time for different time zones. Please refer to the SETTING THE 
TIME AND CALENDAR section to set your desired time zone in following order: PST (Paci c) 
MST (Mountain) 

 CST (Central) 

 EST (Eastern) 

SETTING THE TIME AND CALENDAR

● In normal time mode, press and hold 

[ TIME SET ]

 button for 3 seconds until the 12/24 Hr 

flashes on the display.

● Press 

[ CH/+ ] 

or

 [ MEM/- ]

 button to choose 12 or 24 Hour format.

● Press 

[ TIME SET ]

 button again until Hour digit flashes and press 

[ CH/+ ] 

or

 [ MEM/- ] 

button 

to adjust it's value. 

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C8458A-PD16055M Marathon  2016.5.18 indd.indd   1

2016/5/18   11:22:01

WEATHER STATION WITH ATOMIC 

TIME (3 REMOTE SENSORS 

INCLUDED)

 Model: BA030016

USER MANUAL

Please read this instruction manual carefully and keep it for future reference. This information will 
help you to familiarize yourself with your new Weather Station with Atomic Time (3 Remote 
Sensors Included). This product should only be used as described within these instructions. 
Unauthorized repairs, modifications or changes to the product are prohibited. This product is 
intended for home use only.

OVERVIEW

1.

[ SNOOZE ]

 button

2.

[ CH/+ ] 

button

3.

[ ALARM SET ]

 button

4.

< °C/°F >

 slide switch

5.

<   /  >

Visual angle slide switch

6.

[ SENSOR ] 

button

7.

[ RCC ] 

button

8.

[ RESET ] 

button

9.

[ TIME SET ]

 button

10.

[ MEM/- ]

 button

11. Wall-mounting hole
12. Table stand
13. Battery compartment

11

1
2

3

4

5

6

7

8

9

10

12

13

DISPLAY

 

Normal time mode
1. AM/PM (12 Hour format)
2. Time
3. Outdoor humidity
4. Sensor signal indicator
5. Weather forecast indicator
6. Low battery indicator for sensor
7. Indoor humidity
8. Indoor temperature
9. MAX/MIN indicator
10. Outdoor temperature
11. Ice Alert on
12. RC signal strength indicator
13. DST
14. Time zone indicator

Alarm time mode
1. Alarm time
2. Alarm icon/Alarm on
3. Alarm mode indicator

1

2

3

TRANSMITTER

1

2

3

4

5

1. LED indicator:

- Flashes when the remote unit transmits a reading.

2. Wall mounting hole

- Use to affix the transmitter on the wall.

3.

[ RESET ] 

button

- Press to reset the transmitter.

4.

[ CHANNEL ] 

slide switch

- Assign the transmitter to Channel 1, 2 or 3.

5. Battery compartment

- Accommodates 2 x AA size batteries. 

GETTING STARTED

● Remove the battery door of the clock and sensors.
● Insert 4 new AA size batteries to the clock, and 2 to the sensors according to

the “+/-” polarity mark on the battery compartment.

● Replace the battery doors.
● Once the batteries are inserted, full segment of the LCD will be shown briefly.
● Press the 

[ RESET ]

 button of main unit  rst,  then press the 

[ RESET ]

 button on each transmitter.

● The main unit will automatically receive 433 MHz signal from the transmitters for the channel test 

within 8 seconds.

● The channel test will last for 5 minutes, at which time the RC signal reception sequence will 

commence automatically. 

   

NOTE:

If no display appears on the LCD after inserting the batteries, press the 

[ RESET ]

 button by 

using a pointed instrument. In some cases, you may not receive the RC signal immediately, due 
to atmospheric disturbance. The best reception often occurs during nighttime.

HOW TO PAIR MAIN UNIT AND SENSOR

1. Press

 [ CH / + ]

button on main unit to select a channel.

2. On sensor, slide channel switch to corresponding channel. (For additional sensors, select a 

different channel). Press

 [ RESET ]

 button.

3. Press

 [ SENSOR ]

 on main unit to initiate the search for sensor.

4. Repeat sequence for additional sensors. 

DAYLIGHT SAVING TIME (DST)

The clock will automatically advance the time by one hour in the spring and back an hour in the 
fall, provided that the DST function is enabled.
DST function is set to AUTO by default.

    ” is displayed. 

WIRELESS SENSOR RECEPTION

If the main unit receives wireless sensor signal successfully, the signal icon “ 
If it cannot receive sensor signal or signal is lost,  “     ” icon is displayed.

RECEPTION OF RADIO CONTROLLED SIGNAL

 The time and date are radio-controlled. The current time and date are automatically 
synchronized with the time signal transmitted from WWVB station in Colorado.
● The clock automatically carries out 4 periodic synchronization procedures (2:00 AM, 8:00 AM, 

2:00 PM and 8:00 PM daily) with the RC signal to correct any deviations from the exact time. 

● Once the unit synchronizes successfully to the RC signal, the signal icon  "     " will be 

displayed. Each synchronization process will take between 6 to 16 minutes.

● To manually start or stop the RC signal reception procedure, press the 

[ RCC ]

 button. 

NOTE:

● The strength of radio-controlled time signal from the transmitter tower may be affected by 

geographical location or surrounding buildings.

● Always place the unit away from interfering sources such as TV set, computer, etc.
● Avoid placing the unit on or next to metal surfaces.
● Closed areas such as airports, basements, tower blocks, or factories may not receive a 

strong signal. 

SIGNAL RECEPTION INDICATOR

The signal indicator displays signal strength in 4 levels. Wave segment  ashing means time signals 
are being received. The signal quality could be classi ed into 4 types:

 or

 

No signal

Weak signal 

 Acceptable signal

Excellent signal 

TIME ZONE SETTING

Your clock is designed to display time for different time zones. Please refer to the SETTING THE 
TIME AND CALENDAR section to set your desired time zone in following order: PST (Paci c) 
MST (Mountain) 

 CST (Central) 

 EST (Eastern) 

SETTING THE TIME AND CALENDAR

● In normal time mode, press and hold 

[ TIME SET ]

 button for 3 seconds until the 12/24 Hr 

flashes on the display.

● Press 

[ CH/+ ] 

or

 [ MEM/- ]

 button to choose 12 or 24 Hour format.

● Press 

[ TIME SET ]

 button again until Hour digit flashes and press 

[ CH/+ ] 

or

 [ MEM/- ] 

button 

to adjust it's value. 

1
2

3
4
5

8

6
7

10

12

9

13

14

11

C8458A-PD16055M Marathon  2016.5.18 indd.indd   1

2016/5/18   11:22:01

WEATHER STATION WITH ATOMIC

TIME (3 REMOTE SENSORS INCLUDED)

Model: BA030016

USER MANUAL

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