
10
OBS-500/550
Viavi
3 G
ETTING
S
TARTED
1
Test head cover
2
Connector panel (see
for details)
3
Device label
4
External power supply connector, USB control
interface
5
Battery compartment (on rear of the device)
6
Battery type switch
(inside the battery compartment)
7
Key pad
OUTPUT
Switch laser on / off.
MODE
Select device mode:
• HD: High Dynamic (only OBS-550)
• BB: Broadband
APPLICATION
Select device application:
• PMD: Polarization Mode Dispersion
• AP: Attenuation Profile
• CD: Chromatic Dispersion
BATT
Displays battery status:
• LOW (red)
• CHARGE (yellow or green)
Press to switch the device on / off.