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5. Common easy-to -use operations
5.1 Switch on and off
Hard disk switch
：
After connecting power supply,long press the black POWER button on the
front of PC scale register for 3s until the display is turned on. After entering the
normal operation screen, the program will automatically run and perform
self-test counting to verify whether the CRC is correct. If verification fails, the
scale cannot work normally.
Attention: Under self-test situation, please do not press any button
and make sure nothing is on the scale, otherwise it can’t
work normally
Soft disk switch on/off
：
Touch [Power Off] in the system or Please switch on the power button, then
press the button [ON/OFF] for 3 seconds.
5.2 Communication interface
The factory communication interface of the product is fixed at COM2 and
cannot be changed through other software. Communicating through other
interfaces is also not supported.
6. Troubleshooting of PC scale register
6.1 Crash or fail to start
Reasons
：
a.Power board error
b. Power line and interface error
c. Main board error
Solutions
：
a. Re-plug the power line
b. Press the [Power] button for 3 seconds. If the printer indicator is off,
it means the power board is abnormal; otherwise, the main board is
abnormal
