Reference - Pro's Kit MT-7603 User Manual

REF
REF
Press
you set last time,and wait 2 seconds or press
key to exit. And if keep pressing for 2 seconds, you can
store the current dBm as a new reference value. Then it
automatically shift to dB,and press
dB mode.
DB=dBm-REF
You can store the REF value for each wave.Wavelength
cannot be switched at REF value viewing interface.

Reference

key to check the reference value
REF
MT-7603
PERM
1KHz
nm
REF
dBm
Save
VLS
GLINT
Fiber Optical Power Meter
>2s PERM
Save Unit
Unit
12
VFL
REF
REF
key to exit