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TV & SAT Level Meter MTD 120
User Manual
The Teletext function is especially valuable for the final optimization process in TV installations. Any interference or reception through
indirect beams generates digital in the digital information of the Teletext, which are highly visible as erroneous characters on the screen.
4.9.2.17.- DiSEqC
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Command Generator
DiSEqC ('Digital Satellite Equipment Control') is a communication protocol between the satellite receiver and the accessories of the
installation (switches, LNBs, etc.) proposed by Eutelsat, with the aim to standardize the diversity of switching protocols (13 - 15 - 18 V, 22
kHz, 60-400 Hz) and to satisfy the demands of the digital TV installations.
To define and/or to send a DiSEqC commands sequence, from the TV operation mode, press key ENTER [5], select the DiSEqC function
using keys
[6] and press key ENTER [5] again. A screen like next one will appear:
Figure 16.- DiSEqC commands screen.
DiSEqC screen is divided in 3 areas: the field to edit the DiSEqC commands sequence (only command Sat A/B in previous figure),
Send/Clear functions and Exit.
To define the DiSEqC commands sequence press key SHIFT [31] repeatedly until cursor is positioned on one line of the commands
sequence (the line will blink). If cursor has been placed on the first empty line, Sat A/B command will appear (first DiSEqC command of table
3). To select a different command press keys
[6] until the desired command appears and then press key ENTER [5].
Some DiSEqC commands need to define an associated parameter (i.e. On/Off, a numerical value, A/B...), when any of these commands
is selected first option for the associated parameter appears automatically at its right, to change it press keys
[6] and to validate it
press key ENTER [5] (see DiSEqC commands table).
Once the DiSEqC command is defined, the cursor will pass to the following line, if you want to define a new command proceed as for the
first one, if you do not want to add any command press key SHIFT [31].
After the commands sequence is created it is possible to modify it. To modify the sequence press key SHIFT [31] repeatedly until you
have positioned the cursor on the command you want to make the change and then press key ENTER [5]: Insert function will appear on the
screen, by pressing keys
[6] it is possible to select Delete and Edit functions. Once the desired function appears on the screen
(Insert, Delete or Edit) press ENTER [5].If you select Delete function the command will be removed from the sequence, if you select Insert or
Edit functions, you must define the new command as previously described.
Once commands sequence is defined, to send it to the peripherals press key SHIFT [31] repeatedly until you have selected the Send
function and then press key ENTER [5]. At the same time as DiSEqC commands are sent these appear on the lower side of the monitor. If
Send function does not appear on the monitor, place the cursor over the Clear function and press keys
[6].
It is possible to delete the whole of the commands sequence, to do this press key SHIFT [31] repeatedly until you have selected the Clear
field and then press key ENTER [5]. If Clear function does not appear on the monitor, place the cursor over the Send function and press keys
[6].
To exit DiSEqC function place the cursor over the Exit field and then press key ENTER [5].
REMARK: When disconnecting the unit, the commands sequence will NOT be lost.
Next table shows the DiSEqC commands available:
DiSEqC 1.2
Sat A/B
A
..........................
....
..........................
....
..........................
....
..........................
....
..........................
....
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Send
Exit
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DiSEqC™ is a trademark of EUTELSAT.
