3.2.
Check the cable between the mobile telephone / router / modem and the AV 304 for short circuit or
break. For that the cable has to be disconnected at the AV 304 and at the mobile telephone / router /
modem.
4.
No function of TV and FM radio (connected to AV 112)
4.1.
Check the power supply of the AV 112 and the fuse (0.2 A medium blow; 5 × 20 mm).
4.2.
Check the connectors and the cables for TV and radio
4.3.
Check the current consumption of the AV 112:
– ca. 150 mA with antenna DELTA 12 M connected
– ca. 115 mA with antenna DELTA 12 M
not
connected
4.4.
Check the antenna cable of the DELTA 12 M, especially the connectors. Checking the resistance
with an ohmmeter will indicate about 4, 7 kOhm.
4.5.
Check the output voltage from the AV 112 to the antenna: 12 V
Important notice:
The quality of TV reception may be influenced by masts, cranes, buildings, etc. due to the omnidirectional
characteristics of the antenna DELTA 12M. While transmitting on VHF or with the Mobile Telephone there
will be interference to the TV and FM radio reception because of the limited distance between the antennas.
The antennas, the distribution boxes and the plug-in modules may be repaired by authorized
specialists only!
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