Keysight U1253B Kurzanleitung Seite 5

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charging after 10 seconds. It is recommended
not to charge the battery if the battery
capacity is over 90%.
For the battery charger, the main supply voltage
NOTE
fluctuations must not exceed ±10%.
CAUTION
– Do not rotate the rotary switch from
position when 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).
– Upon initial use (or after a prolonged storage
period), the rechargeable battery may require
three to four charge/discharge cycles before
achieving maximum capacity. To discharge,
simply run the multimeter under the
rechargeable battery's power until it shuts
down or the low battery warning appears.
– The multimeter may indicate that charging is
complete after ten minutes when charging a
new rechargeable battery. This is a normal
phenomenon with rechargeable batteries.
Remove the rechargeable battery from the
device, reinsert it, and repeat the charging
procedure.
Keysight U1253B Quick Start Guide
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