● External valve (lower threshold): the lower value of the external valve is dis-
played (wire break/short circuit monitoring).
● External valve (upper threshold): the upper value of the external valve is dis-
played (wire break/short circuit monitoring).
10.7
Operation
Lamp test
Puts the system into the lamp test. A second actuation ends the lamp test.
Revision
Puts the system in revision. A second actuation results in the revision mode being
exited.
The following triggerings are suppressed in revision operation:
● Connecting terminal for relay output
“Pre-alarm”
● Connecting terminal for relay output
“Fire alarm”
● Connecting terminal for relay output
“Extinguishing”
● Output
“External alarm device”
Chapter 6.3.2 “External alarm devices”
● Triggering the internal tank.
Battery change
Adopts the system’s current time state as the time of the last battery change. No
safety queries occur in this process in contrast to when this function is activated on
the control panel.
Maintenance
Adopts the system’s current time state as the time of the last maintenance.
“Reset”
: Resets the system.
“Reset PS”
: Resets battery failures.
USB-CPU configuration
By actuating this button, the "Network Interface NW" card (Fig. 8), which is currently
connected to the PC, is reprogrammed in order to remedy an increase in the
number of virtual COM ports. In addition, the setup program is automatically sup-
plied with appropriate parameters so that the actual programming procedure does
not require any further operations. The configuration program is automatically
installed during the program installation.
Maintenance program
Operating Instructions / DET-AC III Master / 916005 / 11-2022 / en_US
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