Bedienungsanleitung Comtel CT 1900 (Seite 8 von 26) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch, Polnisch)

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17. Important information

• Only use the original power packs to operate

the devices. Contact your dealer, if one of the

power packs should become defective. The

use of other power packs can substantially

damage the devices, if the polarity (+/-) and

voltage are applied incorrectly.

• A defective power pack cannot be repaired.

The connection cable cannot be exchanged;

the power pack must be disposed immediate-

ly.

• Do not pull the power packs out of the sock-

ets and out of the babyphone by the cables;

remove the power packs by holding the plugs

and/or housing and then remove the power

pack to avoid breaking or tearing a cable.

• Do not place the transmitter in the crib or play

pen.

• Always install the devices out of range of small

children.

• The transmission and reception performance

is somewhat less in comparison to power

pack operation, if one or both devices are op-

erated with rechargeable batteries.

• Two power packs are enclosed so that you

can connect both the transmitter and receiver

to a mains socket (230 Volt/50 Hz).

• The active receiver will hiss for a few seconds,

if you ﬁ rst switch the transmitter off when you

don‘t need the devices anymore. The receiver

tries to establish contact with the transmitter

in this period. The receiver switches automati-

cally to the range signal after some seconds,

in order to signal the disconnection.

• We recommend removing the rechargeable

batteries, if the devices are not to be used for

a lengthy period because empty rechargeable

batteries crystallize and can cause damage.

18. Notes on Disposal

Old units, marked with the symbol as il-

lustrated, may not be disposed of in the

household rubbish.

Used recharge-

able and non-re-

chargeable batter-

ies which are marked with one of the symbols

illustrated may not be disposed of in the house-

hold 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.

19. Care and warranty

Before cleaning the unit, disconnect it if nec-

essary from other components; do not use ag-

gressive cleaning agents.

The unit has been carefully checked for defects.

If nevertheless you do have cause for complaint,

please send us the unit with your proof of pur-

chase. We offer a 1 year warranty from date of

purchase.

We are not liable for damage arising from incor-

rect handling, improper use or wear and tear.

We reserve the right to make technical modi-

ﬁ cations.

20. Technical data

Carrier frequency:

channel 1 – 864.850 MHz,

channel 2 – 864.864 MHz

Digital coding:

16 different digital codes selectable

Operating voltage (Transmitter):

3.6 V DC, with enclosed rechargeable batter-

ies (AAA)

or Alkaline Micro batteries (AAA)

or with power pack

Operating voltage (Receiver):

3.6 V DC, with enclosed rechargeable batter-

ies (AAA)

or Alkaline Micro batteries (AAA)

or with power pack

max. range:

600 meters depending upon structural con-

ditions

Plug-in power pack transmitter:

6 V DC, 150 mA secondary;

230 V AC/50 Hz primary

Plug-in power pack receiver:

6 V DC, 150 mA secondary;

230 V AC/50 Hz primary

You can ﬁ nd up-to-date product information on our

website

http://www.comtel.ch

You have the additional possibility of switch-

ing to another channel in the rare case that the

transmission is disturbed by other signal sourc-

es in the 864 MHz frequency range.

12. Digital code combination table

Digital

code

Switch 1

Switch 2

Switch 3

Switch 4

Code 1

Code 2

Off

Code 3

Off

Code 4

Off

Code 5

Off

Code 6

Off

Code 7

Off

Code 8

Off

Code 9

Off

Code 10

Off

Code 11

Off

Code 12

Off

Code 13

Off

Code 14

Off

Code 15

Off

Code 16

Off

13. Range

You must test the range of your babyphone in

your environment due to the physical propaga-

tion conditions of radio waves. A range up to

600 m can be achieved in optimal conditions.

However the actual range essentially depends

on local conditions. E. g. the transmitter loca-

tion, constructional and atmospheric conditions

must be taken into consideration. The range can

additionally be reduced, if you hold the receiver

in your hands and enclose it.

14. Range alarm

The receiver sounds an acoustic range signal

approx. 7 seconds after disconnection, if the re-

ceiver is outside of the transmitter range.

The acoustic receiver range alarm is also fur-

thermore triggered if:

– the transmitter is switched off,

– the transmitter is set to a different channel

than the receiver,

– the transmitter is set to a different digital code

than the receiver,

– the transmitter is only working with dis-

charged rechargeable batteries.

15. Belt clip/suspension arrangement

The transmitter and receiver can be attached to

your belt with the rear belt clips or be fastened

to a wall with the suspension arrangement (with

suitable fastening material).

16. Tips und tricks in case of problems

• Check the power supply, if either the transmit-

ter or receiver does not work.

• Check the digital code and the transmission/

reception channels of both devices (Connec-

tion is only possible if these correspond), if no

transmission between transmitter and receiver

can be ascertained.

• A continuous beep in the receiver means that

you have left the transmitter range. Please re-

duce the distance between transmitter and re-

ceiver.

• Since the CT-1900 is a radio device, it can-

not be ruled out that you hear conversations

of other radio participants and that other radio

participants hear the conversations or noises

your transmitter emanates. The CT-1900 how-

ever uses transmission frequencies, which

should exclude such disturbances to a large

extent. Switch to another channel (frequency)

and/or change the digital code of your baby-

phone, if you should nevertheless determine

such disturbances in exceptional cases.

• Place the transmitter and receiver upright to

ensure optimal transmission/reception condi-

tions.

• You might hear a whistle (feedback, acoustic

feedback), if the receiver is located too near

to the transmitter and the volume is too high.

To avoid this increase the distance between

transmitter and receiver.

• Too weak batteries can cause the receiver to

emanate a hiss or trigger the range alarm.

• Please note that there is no general protection

against eavesdropping in the 864 MHz fre-

quency range.

Comtel CT 1900 Seite 8

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