Lisheng LS-A8 User Manual Download Page 1

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Lisheng (Fujian) Communications Co., Ltd.               

LS-A8 VHF User Manual

Radio View: 

NO. UNIT 

REMARK 

Antenna 

Transmit/Receive signals, deliver wider communication 
coverage.

2 Speaker 

 

Channel Selector Knob 

Turn the knob to select the channels from 1-16. 

Power / Volume Knob 

Turn clockwise to switch on the radio, and turn 
counter-clockwise until a “click” is heard to switch off the 
radio. Turn the knob clockwise to increase the volume, and 
turn counter-clockwise to decrease the volume. 

LED Indicator 

Receiving: Green Light bright, 

Transmitting: Red Light bright. 

6 MIC 

Microphone 

PTT (Push-To-Talk) Key 

Press and hold PTT key to transmit, and release it to 
receive.

SP/MIC cover 

Dustproof and Rainproof 

9 Battery 

Pack 

 

Side Button PF1 

Side Button PF2 

10

Side Button PF3 

You can short press (0.5S) or long press (2.5S) Side Button 
to enable the specified functions which can be programmed 
via the software. Press this key to activate the function (you 
will hear 1 Beep sound) and press again to quit (you can 
hear 2 Beep sound). 

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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