TM250 A/V to DVBT encoder/modulator USER MANUAL V1.
1 - Safety considerations...............................................................page 3 2 - Description of the different elements..........................................page 4 3 - Installation and menu structure................................................ page 3.1 - Installation.......................................................................... page 3.2 - Powering up........................................................................ page 3.3 - Menu structure........ ................
1. - Safety considerations 1.1 CONNECTING TO THE MAINS SUPPLY This product has to be connected to the mains supply. If there is the slightest doubt concerning the type of connection available on the installation, please contact your supplier of electricity. Before carrying out maintenance operation or modification of the installation, the modulator has to be disconnected. Remark : only use the supplied power adaptor. 1.2 OVERVOLTAGE An overvoltage on hte mains supply,can cause shortcircuits are fire.
2 - Description of the different elements DC input AUDIO VIDEO LEFT INPUT OUTPUT RIGHT TM250 A/V to DVBT encoder/modulator Power supply input of the modulator (5 VDC / 4 A) USB input( for programming the TM250 by PC) Video input Audio left input Audio right input RF input RF output LCD display 1 x 8 characters with backlight SELECT button button button
3 - Installation and menu structure 3.1 - Installation Install the TM250 against a wall using the wall fixation brackets to ensure cooling of the housing through natural convection. ( see drawing) Connect the audio and video source using CINCH connectors. Connect the RF input cable (if present) and the RF output cable. If the RF input is not used, please connect a 75 ohm terminating resistor to it.
4 - Programming mode To access the menus press and keep pressed the SELECT button. Use the buttons and to choose between menus INPUT / OUTPUT / EXTRA and MISC. When you have reached the menu of your choice, release the SELECT button. Now you have access to the different parameters of the selected menu and inspect and change their values if necessary. Use the buttions and to go from one parameter to the other.
4.2 - The OUTPUT menu : 1 < FREQ > Setting the output frequency. Use the buttons and (while keeping SELECT button pressed) to change teh output frequency 47 - 862 MHz. 2 Setting the bandwidth Use the buttons and (while keeping SELECT button pressed) to change the bandwidth in 6, 7 or 8 MHz. 3 < MODE > Setting the modulation mode Use the buttons and (while keeping SELECT button pressed) to change the modulation mode. (2K or 8K). 4
DESCRIPTION DES PARAMETRES 10 Setting the LCN number Use the buttons and (while keeping SELECT button pressed) to change the LCN number of the program. 11 < CHANNL > Setting the channel name. Use the buttons and (while keeping SELECT button pressed) to select a character. Then release the SELECT button to set the following character. Some characters have a special function, namely : forward space backspace delete whole line 12 To leave this menu.
6 Use the buttons and (while keeping SELECT button pressed) to change the PID of the PMT (Program Map Table) 7 Setting the VIDEO PID. Use the buttons and (while keeping SELECT button pressed) to change the VIDEO PID. 8 Use the buttons and (while keeping SELECT button pressed) to change the AUDIO PID. 9 Setting the language of the menus.
5 - Programming using a PC The settings of the TM250 can also be changed using a PC. First, please install the software TMIFace on your PC. You can download this software from our internet site anttron.com After installation of this software, connect the TM250 using a USB cable (not included) to your personal computer. Then launch the program TMIface. On the display of the TM250 the message appears, indicating that the programming is now performed through your PC.
echnical specifications : Input Compression DVB Processing Video CVBS Video input level 0.7 .... 1.4 Vpp Impedance 75 ohm Standards PAL / NTSC Audio input 0.5 - 2.5 Vpp Video MPEG2 Video bitrate 100....
