Terra MHD001, Руководство пользователя

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2
INSTALLATION INSTRUCTIONS
Read the safety instruction first.
Installation of system according standard IEC60728-11 ensures safety of personnel and prevents apparatus against
damaging due to lightning or other sources of overvoltage surges.
To change the modulator settings, open the plastic cover.
If RF IN connector on the modulator is not used, connect the 75 Ω load supplied.
To wall mount the modulator - screw the modulator to the wall (see Figure 1).
Do not connect TV antennas to modulator RF IN connector directly. If you intend to combine TV signals of antennas
and the modulator, plug in booster with output-to-input isolation
≥
20 dB between antenna output and RF IN connector.
DEFAULT SETTINGS
1. Output channel 21 ;
2. Protection from unauthorized access OFF (Preset
oF
);
3. Service name MHD001 CH_21 (Preset
00
);
4. Output signal attenuator 15 dB (Preset
I5
);
5. Output signal ON (Preset
on
);
6. Region Europe (Preset
EU
).
OPERATING
CHANGING OF SETTINGS
The modulator has two modes of operating:
1. normal: sets after plug in;
Output channel can be selected in normal mode by pressing buttons “-“ or “+” (see tables 2-6).
2. setting: to enter the setting mode press “-“ and “+” buttons simultaneously, to exit setting mode press “-“ and “+” buttons
simultaneously for 1 second. The setting mode is indicated by point after first digit.
Select of necessary to change parameter by pressing button “-“ and set necessary parameter value by pressing “+” button.
1. Protection from unauthorized access setting (displayed
L .
C
):
a) after switching settings mode, indicator displays protection from unauthorized access parameter name
L
.
C
;
b) select protection from unauthorized access parameter value by pressing “-“ button (displayed
o
.
n
or
o
.
F
) ;
c) change protection from unauthorized access parameter value by pressing “+“ button.
In the normal operation mode the symbol
"LO"
appears, if you try to change output channel in locked mode and output
channel remains unchanged.
2. service number:
a) press “-“ button (displayed
n
.
O
);
b) press “-“ button again (displayed number from 00 to 99);
c) change service name by pressing “+“ button.
When the service number is set to number greater that 00, the logical channel number will be added and service name
is set to MHD001 CH_service number. For New Zealand region service name is set according Table 7. When the service
number is set to 00, the logical channel numbering is off and service name is set to MHD001 CH_channel number.
Note : set different service numbers for cascaded modulators.
3. output attenuator:
a) press “-“ button (displayed
A
.
t
);
b) press “-“ button again (displayed number from 00 to 30);
c) change attenuator value by pressing “+“ button.
4. output signal switching:
a) press “-“ button (displayed
r
.
F
);
b) press “-“ button again (displayed
o
.
n
or
o
.
F
);
c) switching between RF ON and RF OFF by pressing button “+”,
“
on
”
- RF ON,
“
oF
”
- RF OFF.
5. region switching:
a) press “-“ button (displayed
r.9
);
b) press “-“ button again (displayed region name (see Table 1);
b) switching between regions by pressing button “+”.
6. software version:
a) press “-“ button (displayed
u.E
);
b) press “-“ button again (displayed software version of the modulator).
RESET TO DEFAULT SETTINGS PROCEDURE
1. Disconnect modulator from power supply.
2. Press and hold the “-“ button.
3. Connect modulator to power supply.
4. Release the “-“ button.
After this procedure all settings, except the region,
will be set to default values.
REGION SETTING
Table 1.
Region Displayed Channel tables
Europe
EU
Table 2, Table 4
New Zealand
n2
Table 2, Table 4
Australia
AU
Table 3, Table 5
United Kingdom Table 2, Table 4
Russia
rU
Table 2, Table 6
UK