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10. Initial Operation of the Transmitter
In the operating instructions, the numbers in the text always refer to the figure opposite or the figures
within the section. Cross references to other figures are indicated with the respective figure number.
a) Inserting the Batteries/Rechargeable Batteries
The power supply to the transmitter requires 8 alkaline batteries (e.g. Conrad item no.: 652507, pack of 4, order 2 x) or
rechargeable batteries size Mignon (AA). For both ecological and economic reasons it is recommended that you use
rechargeable batteries. An inbuilt charging socket allows the batteries in the transmitter to be charged if required.
To insert the batteries or rechargeable batteries, proceed as follows:
• The battery compartment (see figure 1, pos. 13) is on the underside of the transmitter. Please press the area on the
battery compartment marked with an arrow and slide the lid in the direction of the arrow so that it can be removed.
• Now insert the eight batteries or rechargeable batteries in the battery compartment. Be sure to observe the correct
polarity of the individual cells (note plus/+ and minus/-). You will find plus and minus labelling in the battery compartment.
• Replace the lid of the battery compartment again and close it.
b) Charging the Rechargeable Batteries for Transmitter
• When using rechargeable batteries, you can attach an appropriate charging cable to the charging socket (figure 1,
pos 10) while the transmitter is switched off to charge the rechargeable batteries in the transmitter. Always make
sure the polarity of the connecting plug is correct, see the illustration next to the charging socket.
The inner contact of the charging socket must be connected to the positive terminal (+) and the outer contact to the
negative terminal (-) of the charger.
• The charging current should correspond to approximately 1/10 of the capacity value of the rechargeable batteries
that are inserted. For rechargeable batteries with a capacity of 2000 mAh this corresponds to a charging current of
approx. 200 mA and charging time takes approx. 14 h.
Since a protective diode is integrated in the transmitter, no chargers can be used that briefly interrupt
the charging current in order to measure the current rechargeable battery voltage. In this case, remove
the rechargeable batteries from the transmitter for charging.
Attention!
Connect the charger only if the rechargeable batteries (1.2V/cell) have been inserted in the transmitter.
Never try to recharge batteries (1.5V/cells) with a charger. There is a risk of fire and explosion!
In order to avoid damage to the internal circuit paths and connections, please don’t use fast chargers. The charging
current may not exceed 200mA (see label next to the charging socket).
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