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6.6 Frequency Detection
Light source and power meter will both operate units at 270Hz in almost all testing conditions.
Note：Frequency ID and wave ID cannot be operated at the same time.
To avoid risk of serious eye damage, do not look into the optical port of laser source at any time.
6.7 Power off
Automatic power off: When auto-off function is activated, the unit will turn itself off automatically after
10minutes idle, whether on battery or AC power
Manual power off: Under any operation mode, hold down
Note: The unit will store the last calibration wavelength and backlight control mode automatically.
This will be the default setting when the unit is next turned on.
Chapter 7 Troubleshooting
Problems
Faint display on the LCD
screen
Inaccurate measurements
Handheld Optical Power Meter
Possible cause
1.
Power is off
2.
The battery power is
too low
1. Optical connector is not
clean.
2. Incorrect fiber
connection
18
for a few seconds to turn the unit off.
Solution
1.
Press
key.
2.
Change the batteries
1.
Clean optical connectors
2.
Reconnect the fiber
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