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Select the desired channel with pressing Up and Down button, 
pressing and holding down more than 1 second makes the channel 
moving fast. And you can choose On or Off in function mode 

 

Operation 

1.  Power on / off and Volume Control: 

Rotate the Power on/off and Volume Control Switch

 

 

clockwise to turn power on, then the LED lights orange 
and power–up tone is generated after about on second, 
indicating the transceiver has passed the self–diagnostic. 
When you turn on the transceiver, it comes same 
channel and function with your last using. Rotate this  
switch

 

 

clockwise to increase the volume or  

counter-clockwise to reduce the volume. Rotate it 

  

counter-clockwise fully to turn power off. 

2. Channel 

Selection: 

Press up/down button, to desired channel. 

3. Transmit: 

Hold down the PTT Button

and talk into  the MIC at  

1-2 in distance. The LED lights red on transmitting. 
Release the PTT button

to receive. 

4. Receive: 

Choose the desired channel by press up/down button

 

. The LED lights green on receiving. In case the signal 

doesn’t match the sub–tone the green LED will blink. 

5. Monitor: 

Press to monitor. Pressing the monitor button for more 
than 2 seconds will cause continuous monitor condition. 
To release the monitor mode, press and release the 
monitor button quickly. 

6. Scan 

1).  Press and hold the function button and up 
button to start scan. 
a.  Scan type will be priority type, else normal type 

If the radio is programmed in priority channel, 

scan.   

b.  If priority type scan, the scan has stopped on a 

non-priority channel there will be skips in the 
audio while the radio checks the priority 
channel. During priority scanning you may talk  

c.  on the last busy channel by pressing the 

function button and up button. After completing 
the conversation, restart scan. 

d.   To delete a busy channel from scan, press 

down button. If the up button is pressed, the 
scan will restart but stop again if the channel 
continues to be busy. 

 

 

7.  Transmit operation during scan  

. If the radio is programmed in ptt channel at 

scanning is home channel: TX will occur on the 
channel the scan started. 

. If the radio is programmed in ptt channel at 

scanning is last busy channel: TX will occur on the last 
busy channel  

 

8. TX ANI 

If the radio was initially programmed for this feature 
pressing the PTT will cause a DTMF code to be send 
that can identify the sending radio. 

 
9.  2/5 Tone Decode (Selcall) 

During initial radio programming by the technician this radio 

can be configured for several different types of decode 
operation. If a channel is selected that has Selcall 
activated the radio will be muted until the proper signal is 
received. When this occurs the radio can sound a ringing 
type alert signal or a voice message maybe heard. 
Depending upon the initial programming, pressing the 
PTT may cause an automatic identifier to be sent. When 
programmed for Selcall pressing the monitor and function 

Summary of Contents for ATS-400B

Page 1: ...supplied with this radio by the manufacturer or an antenna specifically authorized by the manufacturer for use with this radio Do not transmit for more than 50 of total radio use time 50 duty cycle Transmitting more than 50 of the time can cause FCC RF exposure compliance requirements to be exceeded Always use Airtech supplied accessories antennas batteries belt clips speaker mics etc Use of unaut...

Page 2: ... compact design size 102 W x50 H x36 D 310g with high capable battery 2 Heavy duty durable construction 3 256 channels 4 38 CTCSS 83 CDCSS 83 INVERR CDCSS 5 PC Programmable transferable by cloning 6 Time out timer TOT 7 Busy Lockout BCLO 8 Battery saving mode 9 Low battery alert 10 DTMF ANI 11 Transmit output power High Low 12 DC 7 5V Ni Mh battery 1 ...

Page 3: ...attery pack 2 Installation and Removal Battery Pack Installation Turn off the transceiver Hold the transceiver with the back of the unit facing up Place the battery pack against the back of the transceiver so that the tabs on the transceiver engage the four openings in the battery pack Slide the battery pack toward the top of the transceiver until a click heard Removal Turn off the transceiver Hol...

Page 4: ...d Blinking Low battery On Receiving monitoring Green Blinking Different sub tone when receiving Orange On Initializing programming and cloning ⓔ Speaker ⓕ Function ⓖ Squelch SQ ⓗ Channel Up Button ⓘ ⓙ Emergency Key ⓚ Tx Output H L ⓛ Channel Down Button ⓜ PTT Push To Talk Button ⓝ Monitor Button Press to monitor Holding down over 2 seconds keeps monitoring function on and press shortly again or PTT...

Page 5: ...tart scan a Scan type will be priority type else normal type If the radio is programmed in priority channel scan b If priority type scan the scan has stopped on a non priority channel there will be skips in the audio while the radio checks the priority channel During priority scanning you may talk c on the last busy channel by pressing the function button and up button After completing the convers...

Page 6: ...rger The red light illuminates during charging and the green light comes on when the charge is complete When you place two batteries in the charger at the same time the front battery will charge first The rear battery will begin charging when the front battery charge is complete On Charging Red Blinking Abnormal battery Green On Fully charged On Stand by for charging rear cup Orange Blinking Disch...

Page 7: ...User s Manual Land Mobile Radio LMR Model ATS 400B ...

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