- 20 -
40%)
3. Safe operation
Do not use external power supply while using battery. Vice versa.
10. Notice
1. In order to ensure accuracy, please check battery power before testing.
2. Color reader is precise instrument, please avoid the electromagnetic
interference.
3. Avoid testing in non-horizontal surface
4. Keep the instrument balance and no shaking when testing.
5. Keep the proper strength during testing, do not press the testing surface hardly.
6. Put the instrument into the soft bag after using.
7. Keep the instrument at the dry place.
11. Q&A
Common faults
Analysis
Solutions
1
、
Unable to turned
on
1
、
Check if the machine is
connected to power supply
2
、
check if battery power is
sufficient
Install or change
batteries
2
、
Unable to enter
main program after
turning on
1
、
Check if you have done
the
black
and
white
calibration
2
、
Check if the black and
white calibration is correct
Do the black and white
calibration again, then
enter.
