Mercury DB297 User manual

350.297UK Mercury

DB297

Wireless door chime with light indicator

A portable battery operated wireless doorbell with visual indication.

A choice of 16 melodies to suit your home.

Easy to use free standing or wall mountable.

Digital coded radio signal to prevent external interference.

Opportunity to choose from 4 channels.

Supplied with one 12V 23A battery (L1028) for the transmitter.

Receiver requires 3 x AA batteries which are not supplied.

A range of 100 m (open air)

Can also be run off a power supply of DC 9V 200mA.

Please ensure you remove the screws and wall plugs from the battery compartment.

How to change the melody?

On the side of the unit there is a push button next to the

power supply output with a music note indicating where

you change the melody.

What do if there is interference?

If there is interference from other units, the channel may need to be changed as there may be more

than 1 unit on the same channel.

How to change the channel?

Channels can be changed by fitting the supplied jumpers on the transmitter and setting the dip

switches on the receiver unit accordingly thus allowing to use multiple receivers against single

transmitters.