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12.5KHz channel bandwidth. The radios in the same
communication group must use the same time slot, and the
group using slot 1 will not interfere with the group using slot 2.
Appendix
Online Update
1. Turn off the radio, and insert the writing frequency line;
2. Press and hold the [Side button 1] and [Side button2] at the
same time to turn on the radio, the green LED turns on, and
thescreen is black, indicating that the radio has entered the
upgrade mode;
3. Start the upgrade software "Update.exe" on the computer;
select the corresponding serial port;
4. Click "Browse" to select the file to be upgraded (provided by
the manufacturer), for example: DMR-5R-V1.1.1.sgl;
5. Click "Download "and wait the download to complete.
Remember that the power mustn't be cut off in the update
process, or else the SCM will be scrapped;
6. Unplug the writing frequency line, turn off the radio or reboot.
NOTE:Caution: Do not cut off the power in the update process,
or else the SCM will be scrapped.
Aging Test
In power off mode, press and hold the [Side button 1] and the
number button[2] to turn on the radio and enter the aging test, the
radio displays " RF Test ...", the transmitter LED turns on and
transmits 30 seconds, then the receiver LED turns on and
receives for 30 seconds; the transmitter and receiver alternate
until the power is used up. The radio can be turned off in the
aging process, and the aging channel is the channel entered
after turning on (either analog channel or digital channel).
Initialize Defaults
In power off mode, press and hold the [Side button 1] and the
number button [1] to turn on the radio, and the LCD displays
"Memory Reset?"; press the MENU button to enter initialization,
and the LCD displays "Memory Reset..."; the initialization
finishes after 10 seconds and the radio turns on normally. Press
other buttons to exit the initialization interface and boot normally.
NOTE:
The power mustn't be cut off in the initialization process,
or else the initialization will fail.
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