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Call Transmitter

GB

Technical details

Frequency: 

868.30 MHz

Radiated power: 

0.11 mW

Modulation:  

FSK

Coding:  

Easywave A,  

 EasywavePlus
Power supply: 

1x 3-V-battery, CR2032

Operating 

temperature: 

-20 °C to +60 °C

Range:  

free-field: approx. 150 m

 

 

buildings: approx.   30 m

Degree of protection:   IP65

Dimensions: 
    RT26: 

38x46x14 mm  

 

(without wrist strap)

    RT27: 

Ø 41 mm x 13 mm 

 

(without necklace)

    RT28: 

Ø 38 mm x 13 mm

Weight:

    RT26: 

15 g (without wrist strap)

    RT27: 

12 g (without necklace)

    RT28: 

12 g 

Scope of delivery

Call Transmitter incl. battery, operating instruction
RT26: wrist strap,
RT27: necklace,  

RT28: adhesive pad

Intended use

These Call Transmitters may only be used to ope-

rate Easywave radio controls.
The manufacturer shall not be liable for any dama-

ge caused by improper or non-intended use.

Safety advice

 Do not make any unauthorized alterati-

ons or modifications to the transmitter! 

Note also the operating instructions of the radio 

receivers!
Keep the transmitter away from children!

Have faulty devices checked by the manufactu-

rer!
Keep the batteries out of the reach of children!

Start-up

1.  Program the transmission code into the radio 

receiver.  For further informations, please read 

the operating instructions of the radio receiver.

2.  Mount the appropriate accessories. 

Operating the transmitter

Press the transmit button.The transmitter‘s LED 

lights up. The transmitter transmits as long as the 

button is pressed.
After max. 36 seconds, the transmission process 

is stopped automatically. In case of a weak battery 

the transmission process is stopped automatical-

ly after max. 5 seconds. Press the transmit button 

again to repeat the transmission process.

Battery check

The transmitter has a battery check function, which 

monitors the capacity of the battery cyclically.

If the battery is weak, the LED flashes for about 3 

seconds after releasing the transmitter button. At 

the end of the transmission process, an undervol-

tage telegram is transmitted. 
In case of the transmitter button not being pressed 

for a long time, the battery check is executed at 

least once every 24 hours. If a weak capacity is 

detected an undervoltage telegram is sent automa-

tically.
This telegram can be evaluated by adapted Easy-

wave receivers. For further informations, read the 

operating instructions of the corresponding recei-

ver. 

Replacing the battery

We recommend having the battery replaced by 

your retailer.

You  can  find  detailed  instructions  for  exchanging 

the battery on our website. 
Use the ACC-TOO-01-23P housing key to change 

the battery.

Trouble shooting

-  If the LED does not light up at all: exchange the 

battery or make sure that the polarity of the bat-

tery is correct.

-  If the LED flashes permanently during the trans

-

mission procedure: exchange the battery.

-  If the radio receiver doesn´t react: move closer 

to the radio receiver or re-transmit the transmis-

sion code to the radio receiver.

Disposal

Waste electrical products and batteries may not 

be disposed of with household waste!

Dispose the waste product via a collection 

point for electronic scrap or via your spe-

cialist dealer.
Dispose used batteries in a recycling bin for 

batteries.
Put the packaging material into the recy-

cling bins for cardboard, paper and plastics.

Warranty

Within the statutory warranty period we undertake 

to rectify free of charge by repair or replacement 

any product defects arising from material or pro-

duction faults.

Any unauthorized tampering with, or modifications 

to, the product shall render this warranty null and 

void.

Conformity

Hereby, ELDAT GmbH declares that the radio 

equipment type RT26, RT27 and RT28 is in compli-

ance with Directive 2014/53/EU.

The full text of the EU declaration of conform-

ity is available at the following internet address:  

www.eldat.de

Service

If the device does not work properly despite proper 

handling or in case of damage, please contact the 

manufacturer or your retailer.

ELDAT GmbH

Im Gewerbepark 14

15711 Königs Wusterhausen

Germany

Phone:  + 49 (0) 33 75 / 90 37-310

Fax:   + 49 (0) 33 75 / 90 37-90

Internet:   www.eldat.de

E-Mail:   [email protected]

UM179228  1019  GB

Models

RT26   Wristband Transmitter  

RT27   

Necklace Transmitter

RT28  Push-Button Transmitter

  transmit button

  LED

3

   wirst strap

4

   necklace

RT28E5001-11

RT27E5001-11

1

2

1

2

1

2

3

4

RT26E5001-12  red transmit button

RT26E5001A12  grey transmit button

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