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Menu 

 
 
 
 
 
 
 
 

 

 

 

 

 

 

Settings 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Backlight 

Open:

 Backlight keeps on. 

Auto:

 Backlight turns on 

automatically when operating 
on keys, transmitting or 
receiving happens. Backlight 
off automatically after 10 
seconds no operation. 

Key:

 Backlight on 

automatically when operating 
on keys. Backlight off 
automatically after 10 seconds 
no operation. 

Brightness 

Level options from 1 to 9

 

Auto Lock 

ON:

 Keypad locked 

automatically after 10 seconds 
no operation. Only PTT button 
and Side Keys can use. 

OFF: 

Long press Side key 2 for 

2 seconds to lock/unlock the 
keypad manually. 

Language 

English/

 

Simplified Chinese   

Key Tone 

ON:

 A beep when operating on 

keys 

OFF: 

No voice when

 

operating 

on keys. 

 

GPS INF 

Enter to check the local GPS 
information 

Version 

Enter to check the software 
version, network mode, IMEI 

Summary of Contents for TM990

Page 1: ...USER S MANUAL TM990 4G LTE SOS function 2 4 TFTdisplay Dual SIM Sofeware off line update PoC Radio ...

Page 2: ... items listed below are received If any item is missing or damaged please contact your dealer ACCESSORIES ITEM QUANTITY MOBILE RADIOS 1 PALM MICROPHONE WITH HANDGER 1 ANTENNA LTE GPS 1 POWER CORD WITH FUSE 1 MOUNTING BRACKET 1 LOCKING KNOB 1 SCREW 6 FUSE 1 USER S MANUAL 1 ...

Page 3: ... Green fully charged Signal More bars indicate stronger signal strength Network availability Normal network GPS GPS available but no positioning success GPS GPS positioning success Key Lock Keypad locked SOS Transmit SOS or receive SOS Records PTT Records is open Monitor Monitor the group which Icon shown at ...

Page 4: ...he volume b At the interface of volume adjustment press Up Key or Down Key to choose lock or unlock the present volume you adjusted then press Menu Key as confirm 6 Quick Operation In standby mode press following Key to enter corresponding function s operation Up Key choose Group Down Key choose Member Back Key history record P1 to get the last caller s positioning information N O T E Please check...

Page 5: ... contacts list to choose a phone number to make phone call directly Call Records Enter to check the telephone calling record if the radio with telephone function Audio Settings Sound Quality Standard High Quality SPK Level 2 1 standard 1 2 MIC Level 2 1 standard 1 2 Roger Beep ON A beep when transmitting OFF No voice when transmitting Advanced Setting Network Mode Switch 2G 3G 4G AUTO PWR ON Mode ...

Page 6: ...ally after 10 seconds no operation Brightness Level options from 1 to 9 Auto Lock ON Keypad locked automatically after 10 seconds no operation Only PTT button and Side Keys can use OFF Long press Side key 2 for 2 seconds to lock unlock the keypad manually Language English Simplified Chinese Key Tone ON A beep when operating on keys OFF No voice when operating on keys GPS INF Enter to check the loc...

Page 7: ...Call Enter friend or user list short press MENU key to select one or more online friends press PTT to create temporary group for selective call 4 Monitor Group Enter group list short press P1 key to monitor other group s Short press again to cancel 5 APRS Function GPS must positioned a Shortly press the P1 key the last caller s GPS location will be shown b Enter friend or user list short press P1 ...

Page 8: ...defects in material or workmanship The defects that have not been operated in accordance with the procedures described in the operating instructions The defects that have been subjected to unauthorized modifications tampering disassembly use of non genuine accessories or batteries or repairs including the addition to our product of equipment which is not supplied or authorized by us which adversel...

Page 9: ...tion exposure limits set forth for an uncontrolled environment This transmitter must not be co located or operating in conjunction with any other antenna or transmitter This equipment should be installed and operated with minimum distance 20cm between the radiator you body ...

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