No. LED
Color
Description
5
Loop OK
Green
ON
–
No fault detected on loudspeaker loop.
–
Master Unit/loudspeaker loop is not
initializing.
OFF –
Fault detected on the loudspeaker loop.
–
Master Unit/loudspeaker loop is initializing.
–
Loop is disabled.
6
Loop fault
Yellow
ON
–
Fault detected on loudspeaker loop.
OFF –
No fault detected on loudspeaker loop.
–
Master Unit/loudspeaker loop is initializing.
–
Loop is disabled.
7
Loop initializing
Yellow
ON
–
Loudspeaker loop is initializing. Time
required for loop to build up before a loop
fault can be triggered.
–
Maximum initialization time = 10 seconds
after start up.
OFF –
Loudspeaker loop initialization finished.
–
Loop is disabled.
8
Walk Test mode
Yellow
ON
–
Walk Test is enabled.
OFF –
Walk Test is disabled.
46
en | Operation
Loudspeakers Line Isolator System
2014.03 | V1.1 |
Installation and Operation Manual
Bosch Security Systems B.V.