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