Installation instructions
Read the safety instruction first.
DC power should be connected, after at422 mechanically placed into position (Figure 2, 4) and connected (Figure 3).
Menu settings are ready for user updates.
If RF IN connector (5) is not used, connect the 75Ω isolated load supplied (Figure 1).
If one of two amplifiers is used only, switch off RF of unused one.
ATTENTION!
1. RF output is switched off as a default.
2. RF output level of the amplifier should be set after half an hour of warm-up.
3. Set the difference of RF output levels less then 2 dB.
4. Do not use 75
Ω
terminator without DC isolation
.
MOUNTING
Mounting on a wall by screws
Mounting on a bracket (supplied)
Connection of cables
Perpendicular to the wall
Parallel to the wall
Figure 2. Mounting of amplifier
Figure 3. Powering of amplifier
Mounting on DIN rail
Default settings
The amplifiers are supplied with the following default settings:
Section 1, Section 2
Displayed
Displayed
TV standard Au
TV standard B
TV channel
06
(see table 1)
05
(see table 1)
Output attenuator (00-10) dB
00 00
RF output (on/oF)
OF
(
RF off
)
OF
(
RF off
)
Analog/ Digital (On/OF)
0F
(Digital channel)
0F
(Digital channel)
Offset (-8 8)
0
(see table 2)
0
(see table 2)
DC on RF input (0 /12)
0 0
TV standard (Au/B)
AU B
Figure 4. Mounting to DIN rail
Figure 5. Mounting from DIN rail
Figure 6. Mounting or removing to/from
DIN rail of plastic spacers (supplied).
Central freq. TV standard Au TV standard B
177.5 MHz
06
05
184.5 MHz
07
06
191.5 MHz
08
07
198.5 MHz
09
08
205.5 MHz
9A
09
212.5 MHz
10
10
219.5 MHz
1 1
1 1
226.5 MHz
12
12
211.5 MHz
90
218.5 MHz
91
Table 3.
Table 1.