Impermissible line configuration
An impermissible line configuration can cause the alarm devices connected to this
line to be supplied with insufficient power in the event of a fire. This prevents the
alarm from sounding in the corresponding parts of a building. This can cause
serious injuries or death.
● Make sure that all lines of a line card have a permissible line configuration by
calibrating them successfully.
Calibrate all lines manually on the ↑ PMI in the following cases:
● The line topology has been changed.
● The configuration of the brightness level and/or the sound level of the alarm
devices has changed.
● The PMI displays a calibration error for a line.
The duration of a line calibration consists of a 45-second base time plus about 1
second per installed 'Voice alarm sounder beacon/Voice al. sound. beacon base'
device on the line to be calibrated. This means a line with 252 'Voice alarm
sounder beacon/Voice al. sound. beacon base' devices can be calibrated in about
5 minutes.
You will find more information on line calibration in chapter 'Calibrating an FDnet/C-
NET detector line [➙ 100]'.
11.6 Completion of work
1. Activate a test alarm through the system operator with ↑ remote transmission.
2. Change all 'OFF' status to 'ON'.
3. Have the system owner confirm the revision.
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