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PM-800-GL INSTRUCTION MANUAL
14
9.2 Menu #2 – Relative power measurement mode
In the relative power measurement mode is on the value of optical insertion loss in
dB units which corresponds to performed reference is shown on the display.
Reading the display:
[O.POW]
Returns unit into absolute power measurement mode (unit dBm).
Goes to menu #1.
[REF]
Sets and stores the new reference for the selected wavelength
Note: The new reference must be confirmed by the following screen:
[MEM]
Goes to Memory menu #3.
Starts working with the internal memory.
8.12 dB
O. POW
REF
MEM
1310nm
-9.10dBm
L
O
S
S
0 25
. dB
O. POW
REF
MEM
G
A
I
N
1310nm
-9.10dBm
CONFIRM
NO
SET NEW
REFERENCE
selected
wavelength
measured
optical loss/gain
reference
level