JDS Uniphase OBS-55 Operating Manual page 63

Battery operation
CAUTION
!
Please note the battery operation safety information in
the chapter
Replacing batteries
!
Do not replace individual batteries. Always change all
four batteries at the same time.
!
Always use four batteries of the same type; i.e. do not
mix rechargeable and non-rechargeable batteries.
Replacing batteries
The battery compartment is on the back of the
instrument.
1. Pull down the lid to open the battery compartment.
2. Fit new batteries or remove the used batteries and
replace them with fresh ones.
NOTICE: Take care to insert the batteries correctly. The
correct polarity is indicated by a diagram
inside the battery compartment.
3. Close the battery compartment.
*
4. Press [ ] to switch on.
After you power up the device, the BATTERY CHANGED
menu will prompt you to specify whether dry batteries or
rechargeable batteries are being used.
Fig. 3 Setup menu for battery type.
JDSU
Dangers when handling batteries
Handling batteries may be dangerous.
Please note the following safety
instructions.
„Battery operation", page
OBS-55
3 G
ETTING
6.
S
TARTED
13