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Version 1.0  

 

©Copyright 2013, Ambient LLC. All Rights Reserved. 

 

 

 

Page 6 

ALARM

  button  for  3  seconds  to  change  between  degrees  Celsius  and  degrees  Fahrenheit  units  of 

measure. 

3.5 Sensor Search Mode 

If any of the sensor communication is lost, dashes (--.-) will be displayed on the screen. To reacquire 
the signal:   

1.

 

If a specific channel is lost, press the 

C

 button until the channel indication arrow 

  is pointing at the appropriate channel. 

Press and hold the 

C

 button for 3 seconds, and the remote search icon 

  will 

be constantly displayed for up to 10 minutes. 
Once the signal is reacquired, the remote search icon 

  will turn off, and the current value 

will be displayed. 

2.

 

If  new  sensors  are  added,  subtracted,  or  multiple  sensor  channels  are  lost,  press  the 

C

  button  until  the  channel  indication  arrow 

  is  pointing  at  the  indoor 

temperature   

.    Press  and  hold  the 

C

  button  for  3  seconds,  and  the  remote 

search  icon 

  will  be  constantly  displayed  for  up  to  10  minutes.  Once  the  signal  is 

reacquired, the remote search icon 

  will turn off, and the current value will be displayed. 

3.6 Best Practices for Wireless Communication 

Wireless  communication  is  susceptible  to  interference,  distance,  walls  and  metal  barriers.  We 
recommend the following best practices for trouble free wireless communication. 

1.

 

Electro-Magnetic  Interference  (EMI)

.  Keep  the  console  several  feet  away  from  computer 

monitors and TVs. 

2.

 

Radio  Frequency  Interference  (RFI).

  If  you  have  other  433  MHz  devices  and 

communication  is  intermittent,  try  turning  off  these  other  devices  for  troubleshooting 
purposes.  You  may  need  to  relocate  the  transmitters  or  receivers  to  avoid  intermittent 
communication. 

3.

 

Line of Sight Rating.

 This device is rated at 300 feet line of sight (no interference, barriers or 

walls)  but  typically  you  will  get  100  feet  maximum  under  most  real-world  installations, 
which include passing through barriers or walls. 

4.

 

Metal  Barriers.

  Radio  frequency  will  not  pass  through  metal  barriers  such  as  aluminum 

siding. If you have metal siding, align the remote and console through a window to get a clear 
line of sight. 

3.7 Adjustment or Calibration 

Note: 

The  calibrated  value  can  only  be  adjusted  on  the  console.  The  remote  sensor(s)  always 

displays the un-calibrated or measured value. 

Note: 

The purpose of calibration is to fine tune or correct for any sensor error associated with the 

devices margin of error.  The  measurement  can be adjusted from the console to calibrate to  a known 
source. 
 
Calibration is only useful if you have a known calibrated source you can compare it against, and is 
optional. This section discusses practices, procedures and sources for sensor calibration to reduce 
manufacturing and degradation errors. Do not compare your readings obtained from sources such as 
the internet, radio, television or newspapers. They are in a different location and typically update once 
per hour. 
 
The purpose of your weather station is to measure conditions of your surroundings, which vary 

Summary of Contents for WS-091-C

Page 1: ... 2 Min and Max Alarm 5 3 2 1 Turning On and Off the Alarm 5 3 2 2 Setting the Min and Max Alarm 5 3 2 3 Viewing the Min and Max Alarms 5 3 3 Reset Max Min 5 3 4 Temperature Units of Measure 5 3 5 Sensor Search Mode 6 3 6 Best Practices for Wireless Communication 6 3 7 Adjustment or Calibration 6 4 Glossary of Terms 7 5 Specifications 7 5 1 Wireless Specifications 7 5 2 Measurement Specifications 8...

Page 2: ...ays displayed and 4 8 can be displayed in the indoor section of the display The WS 091C supports any combination of the following sensors sensors are sold separately Item Number Image Description F007T 8 channel sensor measures temperature Applications include indoor and outdoor temperature measurement F007TP 8 channel sensor measures probe temperature Applications include refrigerators and freeze...

Page 3: ...ew seconds to verify all segments are operating properly 3 Replace the battery door and fold out the desk stand and place the console in the upright position The console will instantly display indoor temperature as designated by the icon The remote temperature probes will update on the display within a few minutes on the appropriate channel While in the search mode the remote search icon will be c...

Page 4: ... Temperature units F or C 6 Max Temperature Indicator 7 Temperature Alarm 8 Maximum Temperature Channel 1 9 Minimum Temperature Channel 1 10 Maximum Temperature Channel 2 11 Minimum Temperature Channel 2 12 Maximum Temperature Channels 3 4 5 6 7 8 indictor 13 Low battery indicator 14 Minimum Temperature 3 4 5 6 7 8 indictor 15 Min Temperature Indicator 16 Indoor Temperature Indicator 17 Temperatur...

Page 5: ...m icon will appear when set and disappear when disabled The alarm will sound if the sensor falls bellow or rises above the MIN MAX limit 3 2 2 Setting the Min and Max Alarm With the indicator arrow pointing at the appropriate channel press and hold the ALARM button for 3 seconds and the MAX alarm will flash Press the CHANNEL button to increase the MAX alarm and the CLEAR button to decrease the MAX...

Page 6: ...monitors and TVs 2 Radio Frequency Interference RFI If you have other 433 MHz devices and communication is intermittent try turning off these other devices for troubleshooting purposes You may need to relocate the transmitters or receivers to avoid intermittent communication 3 Line of Sight Rating This device is rated at 300 feet line of sight no interference barriers or walls but typically you wi...

Page 7: ...cur when a sensor is placed too close to a heat source such as a building structure the ground or trees To calibrate temperature we recommend a mercury or red spirit fluid thermometer Bi metal dial and other digital thermometers are not a good source and have their own margin of error Using a local weather station in your area is also a poor source due to changes in location timing airport weather...

Page 8: ... are dashes on the display console If any of the sensor communication is lost dashes will be displayed on the screen To reacquire the signal press and hold the CHANNEL button for 3 seconds and the remote search icon will be constantly displayed Once the signal is reacquired the remote search icon will turn off and the current values will be displayed The maximum line of sight communication range i...

Page 9: ... AAA lithium batteries for cold weather climates 8 Liability Disclaimer Please help in the preservation of the environment and return used batteries to an authorized depot The electrical and electronic wastes contain hazardous substances Disposal of electronic waste in wild country and or in unauthorized grounds strongly damages the environment Reading the User manual is highly recommended The man...

Page 10: ...to which the receiver is connected Consult the dealer or an experienced radio TV technician for help 10 Warranty Information Ambient LLC provides a 1 year limited warranty on this product against manufacturing defects in materials and workmanship This limited warranty begins on the original date of purchase is valid only on products purchased and only to the original purchaser of this product To r...

Page 11: ...Version 1 0 Copyright 2013 Ambient LLC All Rights Reserved Page 11 ...

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