10 Acterna OLS-55/-56
3 GETTING STARTED
Power Supply
The following power sources can be used to operate the
OLS-55/-56:
• Four 1.5 V dry batteries (Mignon/AA size, Alkaline type
recommended)
• Four 1.2 V NiMH rechargeable batteries
(Mignon/AA size)
• The SNT-121A AC Adapter/Charger.
• Via USB interface in remote operation.
Replacing batteries
The battery compartment is on the back of the
instrument.
1. Pull down lid to open the battery compartment.
2. Place in new batteries or remove the used batteries
with fresh ones.
Notice: Take care of the correct polarity of the
batteries. It is indicated by a diagram on the
floor of the battery compartment.
3. Close the battery compartment.
4. Press to switch on.
After powering on the device you are asked in the
BATTERY CHANGED menu to specify whether dry
batteries or rechargeable batteries are used.
Fig. 2 Setup menu for battery type.
! Please note the following advice to select the proper
battery type.
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