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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: Dm-1801-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.
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).
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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.
95
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