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Note
Do not start a work session in battery mode unless the battery is fully
charged. This is the only way of ensuring that the full on-battery
operating time is available; note that if the Battery LED is orange when
you switch on with the programming device is connected to the a.c.
mains supply, the battery is recharging.
The battery is not recharging if the Battery LED is green. The green
"Battery" LED does not necessarily mean that the battery is fully
charged. Charging is interrupted if, for example, battery temperature is
too high.
You may find that the battery is partially or fully discharged when you
switch on the programming device (because it has drained gradually
while not in use, for example). Use the external power unit to connect
the programming device to the a.c. mains supply so that the battery
can recharge.
The battery recharges as soon as the programming device is
connected to the a.c. mains supply by means of the external power
unit: the battery recharges in fast-charge mode if the programming
device remains switched off (this takes about 2 hours) or in about eight
hours at reduced charge current if the programming device is switched
on.
Changing the Bat-
You can remove a discharged or defective battery and install a
tery
replacement (see the Operating Instructions for the order number):
1. Switch off the programming device.
2. Pull out the support in the stand and open the extra support hoop.
3. Turn the housing through approximately 90 .
4. Slide the cover in the underside of the housing down to open the
5. Unplug the battery connector and lift out the battery.
6. Slip the new battery into position and reconnect the cable.
7. Close the battery-compartment cover.
PG 720 PII Programming Device
C79000-G7076-C756-02
battery compartment.
Installing and Operating the PG 720
4-5
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