8M083X25 R14
APX Series P25 Interface
DVRS Installation & Programming Guide
–
PART II
January 2019
Page 83 of 153
Emergency Setup Menu
Field Name
Range
Description
Notes
Analog
Emergency
Signaling Type
Disable
MDC1200
ANI-5 Tones
Determines the type of
emergency signaling used by
the Local Analog PSUs.
When ANI-5 Tones is selected,
the PSU must be programmed
to transmit 4 Tones followed by
B - for example 1234B. The
Emergency ACK sent by the
DVR to the PSUs will be the
same tones followed by A i.e.
1234A.
Affects Analog Mode only.
Display PSU
Emergency ID
Enable /
Disable Check
box.
Enables / Disables the Local
PSU ID display during the
processing of an Emergency by
the DVR.
In Digital Mode
– the P25 Unit ID is
displayed on the Control Head,
Local PSUs, System Radios and
Dispatcher Console.
In Analog Mode
– the MDC1200 or
ANI ID is displayed on the Control
Head.
Send Emergency
Ack. Tones
Enable /
Disable Check
box.
Enables / Disables the
Emergency ACK Tones sent by
the DVR to Analog PSUs.
Affects Analog Mode only.
All Tones sent by the DVR in
Analog Mode are heard by all
PSUs tuned to the same DVR
Channel, which PSUs are within
the DVR radio coverage area.
Portable Ack
Required
Enable /
Disable Check
box.
Enables / Disables the
Emergency ACK signaling sent
by the DVR to the PSU when
the DVR receives a PSU
Emergency Alarm.
Default setting is Enabled.
Attempts
Timeout
30-255 s
After decoding an Emergency
request from a PSU, a
Secondary DVR waits for the
duration of this timer and if no
other emergency request is
received from the PSU, the
counter will be cleared. If
another emergency request is
received, the DVR will
increment the counter
accordingly
– refer to the
Attempts Counter
Setting.
Attempts
Counter
0-10
Determines the number of PSU
Emergency attempts a
Secondary DVR will need to
detect before it switches to
Primary System Mode and
processes the Emergency to
the System. This counter is
reset when the DVR sends an
ACK to the PSU or when the
Attempts Timeout
timer
expires.
When set to 0
– the Secondary
DVR will not monitor if the PSU
Emergency is being serviced by
a Primary DVR or not.
