8A083X30 Rev.11
APX Series P25 Interface
DVRS
User’s Guide
January 2019
Page 34 of 94
DVRS Status Tones
DVRS Status Tones - MSU Speaker
The following DVRS specific tones will be heard in the MSU speaker under the
circumstances described below:
TONE TYPE
TONE NAME
DVRS STATUS
Short high-pitched tone
DVRS Button Press
Indicates a valid DVRS Button
press during DVRS Selection
Mode.
Short low-pitched tone
DVR Invalid Option
Indicates Invalid DVR selection
(for example when pressing the
PM button when PM option is
disabled).
Long high-pitched tone
DVR Control
Timeout
Indicates the end of DVR Control
Mode session. The last DVR
settings
(DVR
channel,
DVR
mode, Permanent Primary status)
selected by the user and displayed
on the MSU control head become
active.
Chirping Sound
Permanent Primary
ON/OFF
Indicates
Permanent
Primary
ON/OFF.
Two short low-pitched
tones
50% Transmit Duty
Cycle
Indicates that the DVR and Mobile
radio
transmitters
have
been
keyed up more than 50% of the
time over the past 30 minutes and
any nearby bystanders may be
getting excessive RF radiation.
The users must immediately limit
their talk time to comply with FCC
rules.
Single high-pitched tone
every few seconds (5-255
sec. programmable)
DVR Active
Indicates the DVR is either in
SYSTEM
or
LOCAL
mode
(programmable)
. The ‘DVR Active’
tones are heard in both Primary
and Secondary DVR modes.
Table 7 DVRS Status Tones (MSU Speaker)
