
Modulador Digital
Digital Modulator
Modulateur numérique

INDICE
HTT 103 USER MANUAL (EN) PAG 1
MANUAL DE USUARIO HTT 103 (ES) PAG 8
MANUEL D`UTILISATEUR HTT 103 (FR) PAG 15

1
HTT 103 USER MANUAL
Guide
Safety instructions
Before starting the installation of this equipment, observe the
following safety instructions:
ðĴ Read this manual carefully.
ðĴ Moving this device from a cold to a hot environment can
cause problems. Turn off the equipment and turn it on an
hour or two later to avoid overheating.
ðĴ Keep the modulator in a clean and ventilated environment.
ðĴ Do not cover the equipment or install it on a heat source.
ðĴ For cleaning use a soft cloth lightly moistened with cleaning
fluid.
ðĴ Do not open the equipment.
ðĴ Do not expose the equipment to extreme cold or heat or hu-
midity.
ðĴ Prevent liquids or other substances from entering the equip-
ment.

2
Technical specifications
MODEL HTT 103
Reference 86541
VIDEO ENCODING H.264
Inputs HDMI x 1 + RF
Resolution
1920*1080_60p; 1920*1080_50p;
1920*1080_60i; 1920*1080_50i;
1280*720_60p, 1280*720_50p
AUDIO ENCODING MPEG1 layer II
MODULATION STAN-
DARD
EN300744
FFT mode 2K, 8K
Bandwidth MHz 6, 7, 8
Constellation 64 QAM
Guard Interval 1/32
FEC 7/8
MER dB >34dB
RF Frequency MHz 50 ÷ 860
RF output level dBμV 70 ÷ 100, step 1dBμV
Programming LCD + keyboard
Power Supply 12V / 1,5A
Dimensions mm 125 x 100 x 28
Weight kg 0.3

3
General description
This equipment modulates a HDMI video signal into COFDM
standard DVB-T HD. The output frequency can be programmed
between 50 and 862 MHz. The encoding of the output format
is H.264.
It allows distributing signals coming from terrestrial or satellite
television signal receivers, Blu-Ray, DVD players or digital cameras with HDMI output, in a TV network with coaxial cable.
It is possible to install more than one modulator in series.
Physical description

4
No Description Function
1 LCD screen
Are shown the dierent functions of the
menu
2
Y
Up key
3
Z
Down key
4
A
Function menu left key
5
B
Funtion menu right key
6 MENU
Enter into the main menu or go to the
previous level of the menu
7 GND Ground connection
8 RF OUT RF output
9 RF IN RF input
10 HD INPUT HDMI signal input
11 USB Connection for software upgrading
12 PWR
LED that indicates that the device is con-
nected to the main
13 DC 12V Voltage input (12V)
14 OK Confirmation Key for the selected option

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Characteristics
ðĴ Compact size.
ðĴ HDMI input.
ðĴ COFDM modulation with H.264 coding.
ðĴ Support of multiple input formats (from 720p to 1080p).
ðĴ Selectable bandwidth: 6/7/8 MHz
ðĴ Frequency range: 50 ÷ 860 MHz.
ðĴ Output signal level adjustable between 70 and 100dBμV.
ðĴ Alphanumeric display of 16x2 characters.
ðĴ 2K and 8K carriers.
ðĴ Easy programming.
ðĴ Ready for wall mounting.