Lisheng LS-A8 User Manual Download Page 2

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Lisheng (Fujian) Communications Co., Ltd.               

Programmable Button 

You can program the specified functions for side button via the software, the programmable functions 
as follows: 

NO. Items 

Remarks 

1 Monitor 

2 Monitor 

Momentary 

The radio will un-mute only when it receives a carrier 
signal.

3 Squelch 

Off 

 

Squelch Off  Momentary 

The radio will un-mute no matter there is a carrier 
signal or not. 

5 Battery 

Capacity 

Announcement

To know the current battery capacity. 

Scrambler 

To make the communication privacy. 

Compander 

To improve the SNR, that will make communication 
clearer. 

Adjust TX Power 

Adjust the transmitting power of current channel. 

VOX On/Off 

Activate/exit VOX function. 

10 

Scan 

Scan the activities from other channels. 

11 

Channel Lock 

To lock the current channel position, and the channel 
knob is invalid. 

12 

Emergency Alarm 

To transmit Emergency Alarm signals.   

Note

˖

Your dealer may assign different functions for side button (long press or short press the key) in 

advanced.

Basic Operation 

Power On/Off 

Turn the Power Knob (also called Volume Knob) clockwise to switch on the radio, you will 
hear a “power on beep” and a voice message will indicate the current channel number. Turn 
counter-clockwise to switch off the radio. (See Figure 1) 

Adjust the Volume 

Press the programmed “Monitor” or “Squelch Off” side button to listen the background noise, 
and turn the volume knob to increase or decrease the volume. (See Figure2)   

Select a Channel   

Turn the Channel Selector Knob to select your desired channel. If the Voice 

Summary of Contents for LS-A8

Page 1: ...o increase the volume and turn counter clockwise to decrease the volume 5 LED Indicator Receiving Green Light bright Transmitting Red Light bright 6 MIC Microphone 7 PTT Push To Talk Key Press and hol...

Page 2: ...ctivate exit VOX function 10 Scan Scan the activities from other channels 11 Channel Lock To lock the current channel position and the channel knob is invalid 12 Emergency Alarm To transmit Emergency...

Page 3: ...disconnecting with the repeaters or telephone systems We have 3 Encode modes to transmit PTT ID code as following Begin of Tx It will emit ID code while you press the PTT Key End of Tx It will emit ID...

Page 4: ...t meanwhile you may miss some weak signals which maybe useful for you On the contrary the lower squelch level it s easier to receive the weak signals but also easier to be affected by noise signals Le...

Page 5: ...the appropriate power level via software according to the current communication environment and requirements Tx low power helps you save the battery power and reduce the risk of interfering with other...

Page 6: ...ion which can further secure the safety of communication and those radios without this function are unable to receive real audio You can open Scrambler function in some specified channels via software...

Page 7: ...re alert time via software When transmission time is reached at the TOT Pre alert 1 15s the radio will beep DU DU DU sound which means that the radio will be prohibited to transmit once TOT time limit...

Page 8: ...remind other users in the same channel Power off the radio to exit emergency alarm mode Wire Clone Wire Clone allows you to copy the original setting of one radio to others 1 Connect the main unit and...

Page 9: ...lation Limited 2 5kHz Audio Distortion 5 Residual frequency modulation 45dB 40dB Adjacent Channel Power 70dB 60dB Spurious and Harmonic Wave 36dBm 1GHz 30dBm 1GHz RECEIVER Receiving Sensitivity 0 18uV...

Page 10: ...off the transceiver before step into the inflammable and explosive places z Don t transmit for a long time it may damage the transceiver or it may cause scald z Don t use the transceiver which antenn...

Page 11: ...for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields 3 kHz to 300 GHz American National Standards Institute C95 3 1992 IEEE Recommended Practice for the Measurem...

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