Futurecom DVRS - Table 9 Analog PSU - DVRS Specific Tones

8A083X30 Rev.11
APX Series P25 Interface
DVRS User’s Guide
January 2019 Page 36 of 94
Conventional Analog PSUs
The DVR in analog mode can be configured to send the following tones to the analog
PSUs:
TONE TYPE
TONE NAME
DESCRIPTION
Beep
Encrypted
Call
Sent to local analog PSUs when the MSU is
receiving encrypted call. The beeps are sent until
the encrypted call ends.
Three Short Beeps
Long Low pitched
tone
Leading Go
Ahead
Leading
Deny
Leading tones sent by the DVR over the air upon
receipt of system grant. Requires the LPSU user
to do ‘double PTT’ in order to get a channel and
release the PTT to be able to receive the Leading
Tones.
Single high-pitched
tone
Longer Low pitched
tone
Trailing
Successful
System
Access
Trailing
Unsuccessful
System
Access
Trailing Tones sent by DVR in analog mode to
conventional analog PSUs at the end of PSU
transmission. If the transmission was
unsuccessful the PSU User will know that he /
she needs to repeat the message if they want to
reach the system. Lack of Trailing tones would
indicate that the PSU user is outside of the DVR
range.
Single Low pitched
tone every 30
seconds
Low Battery
The Low Battery tones are sent to the local
portables every 30 seconds when the battery
voltage drops below the programmed threshold.
Single Low pitched
tone
Trailing -
Access
Denied
Indicates system was busy and the portable radio
call was only repeated locally.
Programmable or
default (3 short
beeps)
Emergency
ACK
If programmed, emergency ACK tones are sent
by the DVR when processing MDC1200
emergency issued by a PSU.
Two short beeps
No Activity
Timer
Expiration
Warning tones sent to alert the PSU users that
the DVR will switch from SYS/LOC to OFF. Sent
every minute for the last 5 minutes prior to the
switching.
Programmable
number of tones,
tone duration and
frequencies.
DVR
Activation
If programmed, DVR generated tones are sent to
the PSUs every time the DVR is activated i.e.
switched to LOCAL or SYSTEM Mode.
Table 9 Analog PSU - DVRS Specific Tones
NOTE:
All PSUs which are in the analog mode DVR radio coverage area and switched to the
DVR channel will hear the DVR status tones since those are transmitted over the air (on
the same frequency with PL/DPL) and are NOT generated by the portable radios.