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Programming

Installing multiple digi-MOD’s in an installation

Please ensure each digi-MOD has different settings in the categories below if you are installing 2 or more in 

an installation.

OUTPUT CHANNEL

STREAM ID

CHANNEL NAME 

LCN

NOTE: 

Failure to change the above settings will result in conflict and will not install all channels 

correctly.

CHANNEL NAME

 can be changed by using the Scroll “UP” key until you reach “CHANNEL NAME”. Use 

the UP/DOWN scroll keys to change each letter. Click “OK” to confirm channel name change. 

LCN

 (Logic Channel Number) can be moved from its default position (101, 102, 103 and 104) to a different 

channel number (e.g. 4, 5, 6, 8) by scrolling UP/DOWN in the LCN option for each channel. Once selected, 

press the “OK” button to lock your channel change.

NOTE: Repeat this process for each Input of your digi-MOD Modulator.

Safety Precautions

• 

Do not

 apply power to the DVB-T Digital IR Modulator until all components have been installed and all wiring has 

been properly terminated. Failure to do so may result in damage to the product and void manufacturer’s warranty

• 

Do not

 attempt to terminate, change or un-install any wiring without first unplugging Power Adapter from the 

DVB-T 

Digital IR Modulator

• 

Do not

 expose any component to moisture. Doing so can create electrical hazards or render the component 

unusable. Exposure to moisture will also void the warranty on the system.

• 

This modulator is powered with a voltage of 12 VDC. The power supply voltage must not exceed this, otherwise this 
modulator could suffer irreparable damage and subsequent invalidation of the warranty.

       

Note:

      - 

Do not

 replace the power supply with a voltage greater than 12 VDC.

       - 

Do not

 connect the modulator to the power if the power cord is damaged.

       - 

Do not

 plug the modulator into the mains supply until all cables have been connected correctly.

       - 

Do not

 cut the cord.

• 

Avoid placing the modulator next to central heating components and in areas of high humidity.

• 

Do not

 cover any modulator elements that could obstruct the ventilation slots and cause overheating.

• 

If the modulator has been kept in cold conditions for a long time, keep it in a warm room no less than 2 hours before 
plugging it into the mains.

• 

Do not

 place digi-MOD on top or underneath a PVR Device, as this could cause overheating.

NOTE: If the digi-MOD is powered down, there is no need to reconfigure. All settings will remain 

unless a factory default is done.

1.  Power Up the digi-MOD
2.  Enter Password “0000” and press “OK”
3.  Wait until digi-MOD reads “Running” then enter the menu by selecting the “OK” button
4.  The LCD screen will now display “ADVANCED MENU OUTPUT CHANNEL” - select the “OK” button 
5.  The LCD screen will now display “OUTPUT CHANNEL 21” with the frequency in MHz. In some TV sets 

Channel 21 is not available, so it is recommended to change this to appropriate available output channel 
to suit your installation (40, 50, 60 etc.)  Once you have scrolled and selected a channel number, Select 
“OK” to lock in the change

6.  Change any other settings via the “MENU” as required (refer to 

Technical Specifications

)

7. 

Once finished programming use the “UP” scroll button until the LCD display reads “ADVANCED MENU 

EXIT”, select “OK”  

8.  The LCD will now read “EXIT, EXIT MENU”. Select “OK”. The LCD display will now show “Running”
9.   Auto Scan for Channels on the TV set with the digi-MOD connected and powered.
10.  Sources for selected digi-MOD Channel selection, (e.g channel 40), are found on TV channels 101 

(adjustable - refer to 

Programming LCN

)

Initial Startup

1.  Connect the RCA cable from the video source (eg: Cable TV, Pay TV, DVD, VCR, Camera) to the yellow 

RCA Video Input       (Video) on the rear of the RL-DM4000 Modulator.

2.  Connect the RCA cable from the audio source to the red/white Audio Inputs       (Audio  L  & R) on the 

rear of the RL-DM4000 Modulator. 

3.  Connect the RF Output       from the RL-DM4000 to the Modulator Input on the RF Distribution Module 

RL-RF380. Alternatively connect the RF Output        to an existing distribution system or directly to a 
television set.

4.  Connect the supplied 12V DC Switch Mode Power Supply to the Power Input       .
5.  For ASI connect the cable from the source to the ASI Inputs       on the rear of the RL-DM4000 

Modulator.

6.  Repeat steps 1 - 3 for connection of other sources to AV Inputs IN2 - IN4. 
7.  Slide the Remote Power Switch       to “ON” if connecting the Modulator to a  RL-RF380 Video Hub.
8.  Connect IR emitters RL-IR700/800 to the outputs       on the rear of the RL-DM4000 Modulator.  Place 

the other end within 25mm of the IR receiver on the AV source (depending on environmental conditions).

Hardware Connection

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IMPORTANT NOTE:

For remote programming instructions, please download from  

RL-DM4000 product page at 

www.resi-linx.com

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