Charging The Handset Battery Pack; Checking The Low Battery Indicator - Inter-Tel INT4000 User Manual

Charging the Handset Battery Pack

To charge the battery pack:
Place the handset into the charger unit.
1.
Verify the CHARGE indicator lights. If the CHARGE
2.
indicator does not light, check to see that the AC
adapter is plugged in and that the handset is making
good contact with the charger unit contacts.
NOTE:
If you are using the INT4000 for the first time, fully
charge the rechargeable Ni-MH battery pack for five hours
without interruption.

Checking the Low Battery Indicator

When the battery pack in the handset is low and needs to
be charged, the LOW message appears on the display.
The following table shows what to do when the LOW
message is displayed.
On a call, handset beeps once every
three seconds. All buttons and func-
tions are available.
In standby mode, handset beeps
every 15 seconds for three minutes.
None of the buttons operate, and you
cannot either make or receive a call.
®
Inter-Tel INT4000 User Guide
WHAT HAPPENS
CHARGE INDICATOR
ACTION
Complete your call as quickly as possible, or
replace battery pack within 20 seconds to
continue call.
Replace battery pack before making a call.
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