Bedienungsanleitung Hartig Helling MBF 8020 N (Seite 5 von 14) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch)

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the transmitter at a distance of no less than one

metre from the baby.

Setting up the receiver unit

1. Place the receiver vertically close to you.

2. The receiver can either be operated by the attached

power supply station via the mains or by means of

the integrated battery packages.

3. For using the charger operator please do the same

as described for “Charging the battery packages”.

4. When you want to operate the unit with the power

supply station (12), connect the 6-V-power supply

unit with the big plug to the power socket on the

back of the power supply station and connect it to

the mains. As soon as the receiver is connected to

the power supply station, the LED will be illuminated.

5. The device is switched on using the slide switch (8)

of the receiver.

6. The volume can be adjusted as required by turning

the volume control (10).

7. A series of LEDs (9) is located on the front of the

receiver. As soon as a noise is transmitted, this is

indicated not only acoustically but also optically via

the series of LEDs. The louder the noise received, the

more LEDs light up.

Function testing

It is very important to test the baby alarm for correct

functioning before it is used for the first time. To do

so, place the transmitter in its desired position in the

room being monitored and switch on a sound-emitting

device (such as a radio) at normal volume.

Now use the sensitivity control (4) to set the transmitter

to the desired level of source detection. The further you

turn up the controller, the more sensitive the transmitter

becomes.

To complete the procedure, walk around the reception

zone with the receiver unit and set its volume (10) to

the desired level.

Charger monitoring

If the voltage is no longer sufficient in battery operation,

this will be indicated both on the transmitter and the

receiver by the flashing operating LEDs (2 and 9).

Charging the battery packages

The battery packages that are a standard accessory to

the transmitter and the receiver must not be taken out

of the units for charging.

Charging the transmitter

1. Connect the power supply unit to the thin plug on

the 9-V-socket (6) of the transmitter.

2. As soon as the power supply unit is connected to the

transmitter, charging automatically begins.

3. The charging time for completely charging empty

battery packages and from a turned off unit is about

16 hours. The charging time is doubled if the

transmitter is switched on.

Charging the receiver

1. Connect the power supply unit to the thick plug on

the charger station socket (12).

2. As soon as the power supply unit is connected to the

charger station and the receiver is on the charger

station, charging automatically begins. The

illuminated red LED on the charger station will indicate

this process to you.

3. The charging time for a completely empty battery

package and turned off unit is about 16 hours. If the

receiver is turned on during the charging process the

charging time is doubled.

4. You can leave the unit in the charging station after

completed charging. The LED on the charging station

is not turned off after charging is completed!

Tip! Overcharging the battery packages is technically

impossible.

Inserting/changing the battery packages

Place the unit with the back towards you. You will then

see the fishplates of the battery cover from below; pull

until you hear that they are out of the holders (see

Illustration on page 14).

Then open the battery cover and extract the empty

battery package from the unit. Insert the new battery

package paying attention to the (+/-) polarity in the

allocated troughs (see housing stamping).

Now close the battery cover in reverse order and press

down the fishplates, until you hear that it is secured to

the battery cover.

Consumer reference

Please take care that all NiCd- and NiMH-chargers reach

the full capacity for from 4 to 6 charging processes.

Notes on Disposal

Old units, marked with the symbol as illustrated, may

not be disposed of in the household rubbish.

Used rechargeable and non-rechargeable batteries which

are marked with one of the symbols illustrated may not

be disposed of in the household rubbish.

You must take them to a collection point for old units,

old batteries or special waste (enquire at your local

authority) or the dealer from whom you bought them.

These agencies will ensure environmentally friendly

disposal.

900-MHz technology

The system operates in the 900 MHz frequency range,

which is immune to interference caused by CB and

amateur radio.

Digital Coding

Radio security and being free of interference for this

Baby-calling unit is significantly improved by a signal

that is inaudible for you and which has been digitally

coded and tested in practice.

The coding causes the receiver to be turned on only

when noises (e. g. of a waking baby) are transmitted

from its own transmitter.

You have 16 different digital codes, which you can use

with the help of the DIP-switch (13) individually

according to your environment. The activation of the

receiver by other transmitters or other Baby monitoring

systems is practically impossible.

For the few cases where you are disturbed during

transmission by another signal source on the 900-MHz-

frequency, you have additionally the possibility of

switching to another channel.

Range controls

If the receiver is located outside the range of the

transmitter, this is indicated by the flashing of the

optical range alarm LED (9) on the receiver and the

sounding of the range signal of the receiver.

The range alarm will be set off about 30 seconds after

the connection with the transmitter is broken.

Furthermore, the visual and audible range alarm of the

receiver is set off if:

• the transmitter is turned off,

• the transmitter is tuned into a different channel to

that of the receiver,

• the transmitter is tuned into a different Digital-Code

to that of the receiver,

• the transmitter is working with a charger with low

battery package.

Vibrating alarm

A further feature of the receiver is a vibrating alarm

that you can turn on or off using the switch (7). This

enables you to discretely receive a signal sent by the

transmitter.

Optical send/receive displays

As soon as a noise is transmitted and received, the

transmission indicator on the transmitter (3) and the

reception indicator on the receiver (9) both light up.

As soon as no signal is transmitted or received, the

transmission and reception indicators go out.

Belt clips

The transmitter and receiver can both be carried around

using the belt clip provided on the rear of each unit.

References and remarks for if you receive

interference

• If the transmitter or the receiver shows no function,

please check the power supply.

• If no transmission between transmitter and receiver

takes place, please check the Digital-Code and

the send/receive channels of both units (a

connection can be made only if the Digital-Codes

and the channels are the same).

• A constant beeping of the receiver means that

you are out of range of the transmitter – please

reduce the distance between transmitter and

receiver.

• As the MBF 8020 N works on the basis of radio

waves, it is possible that you are able to hear

conversations of other people on the radio wave

and that other people on the radio wave can hear

the conversations and noises that are emitted

from your transmitter likewise.

MBF 8020 N however, uses transmission frequencies

that largely rule out such interference. If, however,

you should have such interference exceptionally,

switch it a different channel (frequency) and/or

change the digital Code of your baby-calling unit.

• To guarantee maximum transmission/receiving

possibilities place the transmitter and receiver

vertically.

• If the receiver is too near to the transmitter and

its volume is high, a beep can be produced

(Feedback/acoustic back coupling). To avoid this,

the distance between the transmitter and receiver

should be increased.

• Low battery package can lead to the receiver

making noises or to a range alarm being set off.

8 9

Hartig Helling MBF 8020 N Seite 5

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