Operating instructions
4point light 10W (V 4.58)
Page 25 of 130
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7 Operation
7.1 Switch on the instrument
! NOTICE
Overheating of alkaline cells
Trying to reload alkaline cells may lead to overheating and to the destruction of the
instrument. Alkaline cells may explode.
→
When alkaline cells are inserted, never connect an external power
supply to the instrument.
→
Disable “Chick charge”
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8.10 Settings, page 87
To switch on the device, proceed as follows:
1. Press [RET]
The display shows the boot sequence and the command "Please press key [7]".
2. Press [7]
The display shows the main menu. The battery voltage is 5.52 V. The instrument is
ready for operation.
VES MAP RMT TOM MON
CONTACT SP DELETE
SETTINGS MISC INFO
Battery: 5.52V
Fig. 7.1: Main menu
If [7] is not pressed, the device switches off automatically within a few seconds.
Battery:
The voltage of the internal rechargeable batteries is shown. If the voltage falls below
4.8 V, the rechargeable batteries must be reloaded before operating the instrument. For this
purpose the instrument has to be connected to an external voltage source (10 - 15 V).
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6.1 Power supply, page 20
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