Instruction manual SpeechLine Digital Wireless

Table Of Contents
Recommendations on antenna mounting
41
tings (SL Rack Receiver DW: System Settings menu -> RF
Power) for the respective cable lengths:
Cable length of 5 m -> at least level 1
Cable length of 10 m -> selected level +1, at least level 2
Cable length of 20 m -> selected level +1, at least level 3
Cable length of 25 m and longer -> selected level +2, at least
level 4
Remote antenna distances and line of sight
If you are using multiple antenna wall mounts (AWM 2/AWM
4) in one room or if individual installation and mounting of the
antennas is desired, please observe the following aspects:
Position all antennas as close as possible to each other.
Make sure that the distances between all antennas are all
equal and the same as on the back of the receiver or on the
AWM 2 antenna wall mount.
If possible, group the antennae as follows:
All A antennae from the receivers’ ANT I sockets in one
group according to the aforementioned requirements
All B antennae from the receivers’ ANT II sockets in one
group according to the aforementioned requirements
Ant II Ant I
B
B
B
B
B
B
A
A
A
A
A
A
BBB
BBB
AAA
AAA
All antennas B from Ant II sockets
of all SL Rack Receiver DW units
All antennas A from Ant I sockets
of all SL Rack Receiver DW units
min. 17 cm (7")
minimum 7.5 cm (3")
recommended 17 cm (7")
≤ 1 m (39")
Distance to reflecting surface / obstacle:
min. 7.5 cm (3"), recommended 17 cm (7")
≤ 1 m (39")