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Signal Sent 
Indicator 
Light

3mm

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Portable and Plug-In Door Chime Kit 

 

                         DB300

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Digital Code Set Up

Byron No.DB300   Size: A4     Date: 30 June 2008

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Important 

Trouble Shooting & User Hints

Specification

433MHz

R&TTE

APPROVED

CH Byron Electrical United Kingdom. www.chbyron.com

CH Byron Electrical Ltd

Byron House

34 Sherwood Rd, Astonfield

Bromsgrove, B60 3DR

UK

Tel: 0845 2301231

e: [email protected]

w: www.chbyron.com

 

23A

30m

DB300

Push Button

 Open the push button by unscrewing the locking screw on the 

bottom of the chime using a small "+" headed screw driver

 Insert the 12V 23A battery, ensuring that the battery 

polarity matches the internal markings

Portable Door Chime

  

Insert 3 x 1.5V Alkaline batteries ("AA". UM3 & LR6 - not 

included) into the battery compartment, ensuring the battery 

polarity match's the internal markings

  

Close the battery cover, the chime is now ready to be used

Melody Selection

  

The DB300 is programmed to play the chime sound "Ding 

Dong" , no other chime sound can be selected.

Portable Door Chime Kit 

Bell Push: 

Digital Code Set Up

  When the batteries have been inserted in to the Portable

   Chime and the Plug-in chime switched on t

  Press the button on the Bell Push, a wire free signal will be sent

   from the Bell Push to the Chime units

 The Bell Push will pair it is self to the chime units, making sure

   no adjacent pushes active the chimes

Bell Push Installation

  Using the back plate of the Bell Push as a template, mark the 

   fixing position for the unit. 

  Drill holes and fit wall plugs and secure the Bell Push to the

   wall with screws - Included

  Mounting the Bell Push onto Metallic surfaces or on top of the

   UPVC doors internal metal frame will reduce the operating
   range

Portable Door Chime Installation

  The Chime can be placed on any flat surface, clipped to a belt

   or wall mounted
To Wall Mount:

  Mark and drill a suitable hole and fit a wall plug a screw

  Leave a 3mm gap between the screw head and the wall

  Locate the key hole slot on the back of the Chime unit over the

   screw head and slide into position

Operation

  Press the Bell Push button once, a wire free signal is sent from

   the Bell Push, the Chime units will sound when the signal is

   received

  Operate the Door Chime units within operating range, test

   before final installation

Power 1 x 12v 23A battery - Included

Portable Chime: 

Power 3 x 1.5v AA (UM3/LR6) alkaline batteries - not Included

Melody Selection

The door chime kit is fitted with a self learning code system to avoid interference from 

neighbouring wire free products, to pair the Bell Push and Chime unit together:

 1: First Time Operation - Insert the battery into the bell Push and the Portable door Chime

     Unit and switch on Plug-in unit

 2: Press the Bell Push button once, a wire free signal will be sent from the Bell Push to the

     Door Chime units; the Chimes will sound to indicate that the units are paired together

 3. The Door Chime units have 1min to learn the operating code after the batteries are   

     installed or when the unit is switched on

     

Wire Free Interference 

Interference may occur from neighbouring units operating on the same or similar code. To reset 

the code: (Chime sounds for no reason)

 1: Remove the batteries from the Bell Push and the Portable Door Chime and switch off the 

     Plug-in unit 

 2: Insert the batteries into the Bell Push and the Portable Door Chime and switch on the Plug-in 

     unit

 3: Press the button on the bell push, a new learning code will be generated, to pair the Bell Push

     to the Chime units. The chimes will sound to indicate that the units are paired together

Note: If the Chime unit rings during the set-up period, a neighbouring chime has interfered with

          the setup process, reset the chimes before proceeding - see above.

1: Do not mount the unit close to fireplaces or expose to high temperature

2: Do not expose the Door Chime unit to direct sunlight or moisture

3: Always use alkaline batteries and dispose of any old/defective batteries in an environmentally

    friendly manor in accordance with all relevant legislation

4: Make sure no naked flame sources, such as lighted candles are placed on the units

5: The unit should note be exposed to dripping or splashing and no objects filled with liquids, such

    as vases, are placed on the unit.

6: CAUTION: Replace only with same or equivalent type of battery that is recommended by the

    manufacturer

7: CAUTION: Make sure batteries are inserted correctly; incorrectly installed batteries may damage

    the units due to leaking

8: IMPORTANT: There are no serviceable parts in the unit, do not attempt to repair

In case the door chime unit does not sound, please check the following:

1: Flat batteries in either bell push or portable door chime units - change the batteries

2: Wrong battery polarity in either bell push or Door Chime unit - reinsert batteries

3: Plug-in door chime is not powered - check to the sure socket is switched on

4: Bell Push and Door Chime units are not on the same operating code - reset the operating code 

   (See Digital code Setup)

5: Door Chime unit is not sounding - check operating distance, move units close  to the bell push

    and retest  

Operating temperature -10C to +40C

Operating Distance 30 metre (Open field conditions)

Selectable melodies: 1

Selectable digital codes: automatic 

"Type R2 Device - Device where the sound output is created by the initial operation of the control 

and where the period of the sound output continues for the designed duration irrespective of 

condition of the control

Melody Selection

1 melody for selection

1) Ding Dong

 

 

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Plug-in Door Chime

  

Plug-in door Chime unit is powered by 230-240V 50Hz 

mains supply simply plug the door chime into sny 

convenient 13amp socket, with in range of the bell push. 

  

The Led light will light up to show that the unit is on and 

ready to be used

Plug-in Chime: 

Power: 230 - 240V ~50Hz AC Mains

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