Checking The Battery Charge And Voltage - Commtest Instruments vb Series Instrument Reference Manual

Warning: Do not detach the battery pack from the instrument for
more than 2 hours as this will drain the backup component, thereby
causing data and setting to be lost.
Warning: Before charging the battery pack, ensure that the power
transformer used is an approved instrument power transformer 13.5
V ± 1.5 V DC, 1 A output, center positive, and that the voltage and
frequency of your mains AC power matches that of the power
transformer.
The battery pack can be charged by supplying 13.5 V ± 1.5 V DC, 1
A power to the instrument charger socket. The power transformer
supplied in the kit provides this DC voltage. The optional car adapter
charging lead may also be used to charge the battery pack in a
vehicle with a 12 V negative-chassis power system.

Checking the Battery Charge and Voltage

•
From the Main Menu press
Management Menu.
The remaining battery charge and voltage are displayed.
162 Section 11: Utilities
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to display the Battery