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8.1 Monitoring the power supply voltage
The charge level of the battery pack is indicated by the symbol in the right upper corner of the display
on a current basis:
8.2 Charging the battery pack
MIC-2501 meter is powered from SONEL battery pack, which includes NiMH 9.6
V batteries and it may be replaced only by the manufacturer's service department.
Battery charger is installed inside the meter and cooperates only with the manufacturer's recharge-
able battery pack. The charger is powered by external power supply adapter. The device may be also
powered from the car cigarette lighter socket (12V only), using an optional charger.
Charging commences once the power supply has been connected to the meter regardless of the
fact whether the meter is on or off (only the charging mode is different - as described below). When the
meter is switched off - the charging process is indicated on the screen by displaying animated symbol
of battery being charged; when the meter is switched off - the charging is indicated by blinking LED's of
measurement functions (they blink consecutively in red).
Charging modes:
- the meter (user interface) is switched off: the battery pack is charged in "quick charging" mode - the
charging process takes approx. 4 hours. Completed charging is indicated by full battery symbol, FULL
message and beep. In order to fully turn the device off, unplug the power charger.
- the meter (user interface) is switched on: the battery pack is charged in "background charging" mode
- the charging may be longer than the charging process of the device which is switched off. Completed
charging is indicated by full battery symbol and beep. If the charging time exceeds 10 hours, the meter
will automatically switch off for safety reasons.
In order to fully turn the device off, unplug the power charger and turn the meter off.
Do not power the meter from sources other than those listed in this manual.
8
Power supply
The battery pack is charged.
The charge of battery pack is low. Only voltage measurement is
available.
No battery icon (when the charger is connected). The battery
pack is disconnected or damaged.
OPERATING MANUAL MIC-2501 version 1.04
The battery pack is fully dis-
charged, all measurements are
blocked.
The meter switches off automati-
cally after 5 sec.
CAUTION!
CAUTION!
25
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