Digitize Inc. System Operation
700271-0001 Rev. G 05/13 13
An AC Power Failure will be reported after a delay that is programmed using Function 19 ( 1
to 255 minutes), if any of the following conditions occur:
1. The AC voltage failure allowing the backup battery to begin to power the panel.
2. Fuse F4 opens for any reason.
When an ac power failure is detected, the panel Trouble Relay will release. The display will
show the following data concerning the ac power.
4.5 Ground Mode
The DET-16 panel will transmit using Ground Mode whenever the panel detects an Open
Loop condition and Function 12 is enabled. The top line of the display will alternate with
“GROUND MODE” and “TRANSMITTING” while the panel transmits on the loop.
4.6 Bulldog
The DET-16 panel will “BULLDOG” (See Definitions) the telegraph line when all of the
following occur:
a. The panel has a condition which requires it to transmit over the telegraph loop, and
b. The panel detects that the telegraph loop has remained “busy” for a period longer than the
programmed timeout (See Function 7), and
c. The BULLDOG option has been enabled (See Function 11).
4.7 Standby Mode
Standby Mode allows an installer to test the zone inputs of the panel without worrying that
the panel inadvertently transmits on the telegraph loop. To turn Standby Mode on and off,
use Function 17. The panel will automatically return to Normal Operation if the panel
remains in Standby Mode longer than the programmed Standby Timeout (factory default is
60 minutes).
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