4 Service Screen
4.9 Battery
AT-10 plus
Page 28
Art.-no.: 2.540043 Rev.: a
Cal Energy This is the current capacity of the battery and is calculated from:
• (Saved energy) - (discharge count) - (self discharge rate) + (charge count)
Total Power The ratio of battery capacity to current capacity. This value is used to calculate the
battery capacity icon on the display.
Battery Down Hardware flag, based on battery voltage, to indicate when the battery is almost empty.
When this flag is set the battery capacity beep is activated.
NH/Li Battery type installed in the unit.
Mains / Bat Power supply source.
4.9.1 Calibrating the battery
The procedure is as follows:
1. Switch the unit on with the mains removed and wait until the battery is empty and
unit switches off.
2. Reconnect the mains supply and enter the service screen > battery.
3. Start / Stop icon (1) will say Cal Off.
4. Click the icon and the Cal On is displayed.
5. Switch the unit off and leave for 8 hours.
6. Switch the unit back on and then the calibration off.
The information given on this screen is as follows:
Start Time Calibration start time.
End Time Calibration end time.
Clear Register
Cal offset The offset between the original (last) calibration and current calibration.
Total recal The number of times the battery has been recalibrated.
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