Lisheng LS-A8 User Manual Download Page 9

Page: 9 / 11

Lisheng (Fujian) Communications Co., Ltd.

SPECIFICATION

Frequency range

136-174MHz

Channels 16

Channels spacing

12.5kHz

Working Voltage

DC 7.4V

Frequency stability

±2.5PPM

Operating Temperature Range

-25

to + 55

Antenna impedance

Dimension (L×W×H)

136*58*36mm

Weight (including Antenna and Battery)

246g

TRANSMITTER

Output Power

Modulation Mode

F3E

Modulation Limited

±2.5kHz

Audio Distortion

Residual frequency modulation

-45dB /-40dB

Adjacent Channel Power

-70dB /-60dB

Spurious and Harmonic Wave

-36dBm<1GHz -30dBm>1GHz

RECEIVER

Receiving Sensitivity

0.18uV/0.22uV

Adjacent Channels Selectivity

70dB/60dB

Intermediation

60dB

Spurious Response Rejection

70dB

SNR

50/45dB

Audio Output Power

1.0W

Audio Distortion

Note:
The above specifications are in according to the TIA/EIA-603 standard to test. Due to the continous
development of the technology, the above specificationsare subject to change without notice.

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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Lisheng LS-A8, User Manual, Page: 9 / 11

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