Handheld Optical Power Meter
13
1
Power On/Off
: Press to turn the unit on or off.
Auto Shut-Off Selection
: Press this key quickly to turn
the auto shut-off function on or off. When auto shut-
off is active the unit will automatically shut off after ten
minutes idle.
2
REF
: Press and hold this key to store current power
value as the reference value.
Quickly press this key to enter the relative
measurement mode. This mode compares the
current power with the reference power and shows
the relative power value in dB.
3
Measurement Setting
: Press this key to switch
between the absolute measurement and relative
measurement of the optical power.
4
Wavelength Selection
:
Press this key to change the
wavelength
Functions
1
2
3
4