Alcad 905-ZA, Installation And Programming Manual

Page: 46 / 81

10. ADJUSTMENT OF LEVELS
10.1 Levels of the ZA modules
To perform an equalisation of all the filters, select
Automatic level
adjust
in the programmer and press T . The digital channels will be
adjusted 10 dB below the analogue channels.
Note : For multichannel filters, the adjustment will be made for the channel
with most level. It is recommended that there should be only one analogue
channel per multichannel filter. If there are more, it is recommended that the
levels of the analogue channels be similar.
Fig. 11 - Automatic adjustment of the levels of the modules
CAUTION
, If a channel in the monochannel configuration or the channel
with most level in the multichannel configuration fails to reach or exceeds the
range of values shown in the technical datasheet, the correct input level
indicator IN (24)(36) of the ZA module will continue to blink.
Fig. 12 - Level failure at input
ENG - 45 SERIE 905-ZA
OUT
FM/DAB
UHF
PRG
PRG
IN
OUT
FM/DAB
UHF
PRG
PRG
IN