dBm
2KHz
PERM
nm
REF
Save
1310nm
1KHz
GLINT
VLS
MOD
REF
Unit
Save
Laser
ON
VFL
Optical Mulit Meter
>2s PERM
15
Battery energy detect
Remain80%---100%
Remain40%---80%
Remain20%---40%
Remain less than20%
If the energy is too low, the beep will be on and device
will auto power off.