Lisheng DM-R88 User Manual Download Page 8

DMR

 

DIGITAL

 

TWO

 

WAY

 

RADIO

                                                                                                                             

DMR

 

DIGITAL

 

TWO

 

WAY

 

RADIO

 

can transmit or receive. 
Indicate red light while transmitting a signal. 
Indicate green light while receiving a signal 
 

Receiving and Answering group call 

If want to receive the group call, the transceiver must set in this group. The 
steps following below 
1.  LED indicates green light. 
2.  When using your transceiver, hold the transceiver in a vertical position 

with the microphone 1 to 2 inches (2.5 to 5cm) away from the lips. If 
active the “CH Free Indication Tone”, when the transmitting partner 
release the PTT key, you will hear a short indication tone, this tell you 
the channel is free now, and waiting for your answer. 

3.  Press PTT to answer. LED indicates red light. 
4.  When the tone of waiting answering is finished, users can talk to 

microphone clearly. 

5.  Release PTT key to receive 
6.  If there is not any signal transmitting activity in the pre-set time, the call 

will stop. 

 

Receiving and Answering single call 

Single Call is transmit in a single transceiver to another single transceiver; 
there are two types of single call. 

The first type

: check before call 

The second type

: directly call 

When receiving signal, the LED indicates green. One transceiver can only 
set one type, the first type or the second type. The steps following below: 
1.  LED indicates green. 
2.  When using your transceiver, hold the transceiver in a vertical position 

with the microphone 1 to 2 inches (2.5 to 5cm) away from the lips. If 
active the “CH Free Indication Tone”, when the transmitting partner 
release the PTT key, you will hear a short indication tone, this tell you 
the channel is free now, and waiting for your answer. 

3.  Press PTT to answer. LED indicates red light. 

4.  Transmit the ‘Talk Permit Tone’ (if active), then talk to microphone 

clearly. 

5.  Release PTT key to receive 
6.  If there is not any signal transmitting activity in the pre-set time, the call 

will stop. 

7.  You will hear a short tone. 
 

Receive All Call 

All Call is a single transceiver to call all the users in a same channel, it is 
used to issue important message. 
When you receiving All Call, the steps following below: 
1.  Alert a tone, the LED indicates green. 
2.  If there is not any transmitting activity in the pre-set time, the All Call 

will stop. If active the “CH Free Indication Tone” 

Then when the calling party release PTT, you will hear a short tone, that 
indicates the channel can use now. You cannot answer the All Call. 
Note: When receiving the All Call, if you transfer to another channel, then 
your transceiver will stop receiving this All Call. During All Call, you can not 
use any pre-programmed keys, till the All Call is finished. 
 
 
 

Start one type of Transmitting Call 

You can use the following types to select a channel, users ID or group ID: 

z

Channel Knob 

z

Pre-programmed side button 

 

Type one: Use Channel Knob   

Start group call 

If want to start group call, the transceiver must set in this group. The steps 
following below: 
1.  Turn the channel knob, use the activated ID to select channel. 

Summary of Contents for DM-R88

Page 1: ...Overview Basic Operations Functions Instruction Troubleshooting Specifications Thank you for purchasing our professional DMR digital two way radio This easy to use radio will always offer you reliable...

Page 2: ...es have carried with an air bag do not put your radios within the air bag expand coverage Do not try to dismantle the machine and maintained by non professional people who may do harm to the machine D...

Page 3: ...Antenna Battery Pack Charger Adaptor Belt Clip Hand strap User s Manual Charger Information Only use the charger which specified by supplier The charger s LED indicator would show you the charging sta...

Page 4: ...charging Using the radio during charging will affect the battery pack to be charged normally During charging do not plug in pull out the power supply or the battery frequently it would affect battery...

Page 5: ...ownward to unlock it 2 When the battery pack is loosened from the groove of transceiver take out the battery pack Installing Removing the Antenna Hold the bottom end of the antenna and clockwise screw...

Page 6: ...n PF1 8 PTT Key Press to transmit release to receive 9 Side button PF 2 10 Side button PF 3 11 Microphone Speaker earphone jack 12 Battery Pack Note The side buttons PF1 PF3 can be programmed with sof...

Page 7: ...Momentary Tone Only alert momentary one time the time set by users via software Call PTT Key The 32 channels in the transceiver all can be set as digital channel 1 When in transmitting press PTT key...

Page 8: ...ith the microphone 1 to 2 inches 2 5 to 5cm away from the lips If active the CH Free Indication Tone when the transmitting partner release the PTT key you will hear a short indication tone this tell y...

Page 9: ...ows you to send signal to all users in same channel This function must be pre programmed The steps following below 1 Turn the channel knob use the activated ID to select channel 2 When using your tran...

Page 10: ...y call the transceiver will utter DUDU sounds to alert you to press any key to stop the emergency call and re start the timer The feature provides added security and safety for individuals who work al...

Page 11: ...button High power Low power 2 You will hear a positive tone show your transceiver is in Low power now you will hear a negative tone show your transceiver is in High power now VOX Setting 1 Press the...

Page 12: ...Emission 36dBm 1GHz 30dBm 1GHz Modulation Limiting 2 5kHz 12 5 kHz Adjacent Channel Power 60dB 12 5 kHz Audio Response 1 3dB Audio Distortion 5 Receiver Sensitivity Analog 0 2 V 12dB SINAD Sensitivit...

Page 13: ...ers IEEE C95 1 1999 International Commission on Non Ionizing Radiation Protection ICNIRP 1998 FCC Regulations Federal Communication Commission FCC requires that all radio communication products should...

Page 14: ...ry to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into...

Page 15: ...antenna attached as this may damaged the radio and may also cause you to exceed FCC RF exposure limits A proper antenna is the antenna supplied with this radio by the manufacturer or antenna specific...

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