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37
Basic Operation
This chapter describes the general operation of the device. The use of specific functions and
features is explained in the view descriptions accordingly.
Operation from battery
When using both, fully charged batteries, you have an operating time of approx. 3 hours. The
batteries are supplied in a pre-charged state and must be fully charged before being used for
the first time.
Only use type 2259/92.16 (RRC2057, Li-Ion, 7.5 V, 6.4 Ah. The part number (P/N) of the
battery type in use is printed at the lower end of the battery label. Additional batteries can
be obtained as accessories.
Battery indicators
Information about the batteries is shown on the keypad and on the screen.
On the keypad
The operating status of the batteries is separately displayed for each battery with 2 LEDs:
•
LED lights up red:
Battery is charging.
•
LED lights up green:
Charging is completed and the AC adapter / charger is still
connected.
•
LED is off:
No battery is inserted or no AC adapter / charger is connected.
In the upper status line of the screen
The exact charge status of the batteries can be seen in the display.
The symbols show the average value of the 2 battery packs ((A+B)/2). In the system
information menu the user can check the status for each battery separately (see
Display Meaning
The battery is fully charged.
The battery is 50% discharged.
The battery is almost discharged.
When the battery symbol A or B flashes, the battery charge state is critical. You
should now switch the device off, connect it to the AC adapter / charger, or
change the battery packs. The letter A/B indicates which battery pack must be
replaced first. If you continue to operate the device from the batteries, it will
switch off automatically after a short time. The device configuration will however
be saved before it switches off.
The AC adapter / charger is connected and the battery is charging.