Adjusting Levels With Single Channel Amplifiers - Alcad 905-TO Serie Manuel D'installation Et Programmation

36 - ENG
WARNING: It is essential that the maximum output level reduction in
relation to the number of channels being amplified (including the EXT input
channels) should be taken into account. The maximum work level is
calculated by subtracting the reduction indicated from the maximum output
level indicated in the Table 5.
CHANNELS REDUCTION
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
10. ADJUSTING LEVELS WITH SINGLE CHANNEL
AMPLIFIERS
Once the unit is installed and every receiver programmed, tune the unit.
10.1 Adjusting the output level of the trasmodulators
Make sure that the output level adjuster of each trasmodulator is at -0 dB.
Installation and programming manual
EXT
Fig. 11 - Adjusting the amplifier level
0,0 dB
2,5 dB
3,5 dB
4,5 dB
5,0 dB
6,0 dB
6,5 dB
7,0 dB
7,0 dB
7,5 dB
8,0 dB
8,0 dB
8,5 dB
8,5 dB
9,0 dB
9,0 dB
Tab. 5 - Reduction of the output level
OUT
TEST
CHANNELS
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
REDUCTION
9,0 dB
9,5 dB
9,5 dB
10,0 dB
10,0 dB
10,0 dB
10,0 dB
10,5 dB
10,5 dB
10,5 dB
10,5 dB
11,0 dB
11,0 dB
11,0 dB
11,0 dB