Charging The Battery - Agilent Technologies U1253B Quick Start Manual

Charging the Battery

For the battery charger, the main supply voltage fluctuations
NO TE
must not exceed ±10%.
CAU TI O N CAU TI O N
• Do not rotate the rotary switch from
charging the battery.
• Perform battery charging only with 7.2 V or 8.4 V NiMH
rechargeable battery, 9 V size.
• Disconnect test leads from all the terminals when charging
the battery.
• Ensure proper insertion of battery in the multimeter, and follow
the correct polarity.
• A new rechargeable battery comes in a discharged condition and
must be charged before use (refer to the U1253B User's and
Service Guide for charging instructions).
U1253B Quick Start Guide
It is strongly recommended that you use the
specified 24-volt DC adapter included as an
accessory to charge the rechargeable battery.
1 Remove the test leads from the multimeter
and turn the rotary switch to
2 Plug the DC adapter into a power outlet.
3 Insert the red (+) and black (–) banana
plugs (4 mm plugs) of the DC adapter to the
and
Ensure that the polarity of the connection
is correct.
4 The display will show a countdown timer of
10 seconds for the self-test to start. The
multimeter will output short single-tone
sounds to remind you to charge the battery.
Press
or the multimeter will automatically start
charging after 10 seconds. It is
recommended not to charge the battery if
the battery capacity is over 90%.
terminals respectively.
to start charging the battery,
position when
.