Primary / Secondary Setup
Field Name
Disable Primary /
Enable /
Secondary
Disable Check
Processing
Box
Disable Primary /
Enable /
Secondary
Disable Check
Processing On
Box
Analog VR
Channels
Enable BL for
Enable /
Outbound Voice
Disable Check
Comm. and Heart
Box
Beat
Enable BL for
Enable /
Inbound Voice
Disable Check
Comm.
Box
Permanent
Enable /
Primary Status
Disable Check
Enabled
Box
Permanent
Enable /
Primary Control
Disable
Disabled
Check Box
Allow Secondary
Enable/
DVR to take over
Disable
OOR Primary
Check Box
Heart Beat
3-60 sec
Interval
January 2019
DVRS Installation & Programming Guide – PART II
Range
Enables / Disables the Primary /
Secondary Processing globally.
Enables / Disables the Primary /
Secondary processing on analog
channels only.
Enables / Disables the dynamic phase of
the Busy Lockout Algorithm for Outbound
Voice calls and sending of Heart Beats.
Enables / Disables the dynamic phase of
the Busy Lockout Algorithm for Inbound
Voice calls.
If this box is checked the DVR will
always be forced into Permanent Primary
State.
If this box is checked the DVR status can
not be changed to Permanent Primary by
pressing the VRS button on the Control
Head of the MSU.
If enabled, this option allows Secondary
DVR to gain priority over Out-of-Range
Primary DVR
Determines the time intervals at which a
Primary or Permanent Primary DVR
transmits Heart Beat messages to all
other DVRs in the area.
Description
8M083X25 R14
APX Series P25 Interface
Notes
Refer to the Primary /
Secondary Operation
Paragraph of this
Document.
If M/S is disabled on
analog channels, the
BL must be enabled or
else there will be no
simulcast prevention
processing.
Refer to the Primary /
Secondary Operation
Paragraph of this
Document.
Applicable to both
Analog and Digital DVR
Mode.
Refer to the Primary /
Secondary Operation
Paragraph of this
Document.
Applicable to both
Analog and Digital DVR
Mode.
The Default setting is
Disabled. Programming
more than one DVRS
as a Permanent
Primary in a given
system may result in
interference and loss of
communications.
The Default setting is not
checked i.e. User Control
is allowed.
Same option would allow
Secondary DVR on Home
system to gain priority
over Primary DVR on
Foreign system.
Refer to the Primary /
Secondary Operation
Paragraph of this
Document.
'Heart Beat' messages
are part of the Static BL
Algorithm Phase and are
transmitted on the DVR
Rx frequency.
Page 90 of 153
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