Handheld Optical Power Meter
18
Chapter 6 Operation Instruction and Notes
6.1 Powering the Optical Power Meter
The optical power meter can be either battery powered or AC adaptor powered, giving total flexibility for
most testing sites and situations.
6.1.1 AA battery
When using AA batteries,
will display on the left top of the screen
，
(as per Fig. 6-1)
Fig. 6-1
Power Grade
：
left 70%
～
100% electricity
left 40%
～
70% electricity
left 30%
～
40% electricity
left 20%
～
30% electricity
not enough electricity, left less than 20%
，
the power meter will be forced to power off
Fitting the batteries
，
(as per Fig. 6-2)
Fig. 6-2
Press the clip fastener on the battery compartment cover down. Remove the battery compartment
cover. Remove all three batteries making a note of their positive and negative connector orientation.
The negative battery connector should be against the spring. Insert 3 new 1.5VV AA battery. Refit the
battery compartment cover. The clip fastener should click shut.
Battery Power Indicator
