Operation 3-15
August 2008
The Battery Charger
Option
The Battery option allows you to monitor the run time and status of
the internal rechargeable batteries, as well as to condition NiCad
batteries to maintain the maximum life.
Note: When conditioning the batteries, be sure you have plugged the
AC adapter into the PT878 and pressed the power key. NiMH
batteries normally do not require conditioning.
1. Access the Meter Menu as described on page 3-13.
2. Scroll to the Battery option and press
[ENTER]. The Battery
Charger window opens (see Figure 3-13 below).
Figure 3-13: The Battery Charger Window
3. Press [ENTER] to open the Part Number list box. Scroll to the
battery type you have installed [1.8 Ahr NiCd (200-058) or
3.0 Ahr NiMH (200-081)] and press [ENTER].
Note: If you do not set the correct battery type in the Part Number
window, the battery continues to function, but the battery
status icons will not be accurate.
4. With the Condition Battery box selected, press
[ENTER]. The
Condition Battery window status line should change from Stop to
Discharging within 30 seconds.
Note: You should condition NiCad batteries when the Run Time
Remaining is reduced to 50% of their previous run time.
5. To stop the discharge cycle, press
[ENTER] and note that the status
line in the Condition Battery window changes to On Charger.
6. Press [F3] (OK) to return to Operate Mode.
Battery Charger
Cancel OK
Status: Full Charge
Battery Voltage: 5.78 Volts
Battery Type: NiCd
Condition Battery
Run Time Remaining:
Backup Battery: OK
Part Number: 1.8Ahr NiCd (200-058)
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