Carephone 50
Device Acknowledgements | en
15
Bosch Security Systems
User Manual
ISA-50-MS V2 I 2008.02
10
Device Acknowledgements
10.1
Light Signals
The HTS50 has two indicator lights that display the status of
the unit.
The meaning of the light signals is explained in the table below:
Light signal
Meaning
Lamp shines bright/dull
Lamp flashes
Status
Description/Action
Yellow
Green
Blue
Red
Initialisation
2 sec. after power-on
or programming
Fault
Fault message is
announced once. Press
the S button to repeat
(0.1s/2s)
Standby mode
Unit is ready
Pre-alarm
Cancel with stop
button
Connection
Establish connection
Speak
Display for the hearing-
impaired
(0.5s/0.5s)
Listen
Listen (display for the
hearing-impaired)
(0.1s/2s)
Repeat emergency
call active
If the emergency call is
not acknowledged, a
new emergency call is
made to the centre
when the programmed
time elapses
(0.5s/0.5s)