Using The Tweaker Monitoring Screen - Futurecom P25 Installation & Programming Manual

Using the Tweaker Monitoring Screen

The Tweaker's Monitoring Screen is provided in order to assist the field technician with
DVRS setup and troubleshooting.
The Monitoring screen provides real time indication of the RRSI level, SINAD, RF Power,
PL detection etc as described below.
IMPORTANT!
It must be noted that the Monitoring screen application is not intended to replace
the use of properly calibrated test equipment in the field.
Field
Transmitter Mode Can be set to either "Tx Disable" or "Tx Enable".
Tx On Does not require user input. Used to indicated Tx On (checked) or
PTT Offers three settings:
Repeater CAS
RSSI
Sql
RSSI Displays the RSSI of the DVR.
PL Displays presence of the programmed PL/DPL decoded by the
SINAD Displays the calculated SINAD of the DVR received signal.
RF Power Displays the DVR Tx Power when the DVR transmitter is keyed
Oper. State Indicates the current DVR state – Primary, Non-Primary or
Ant. Sw. Indicates the Antenna switch position; Normal or BL Reversed.
Mobile RUS Provides information on when the Mobile radio is receiving a valid
Mobile PTT Activated when the MSU MIC is PTT-ed.
Temp Displays the current controller temperature.
PA_t Displays the current PA temperature.
Test Mode Must be set to YES in order to use the PTT or P25 Rx Modem
P25 Rx Modem Test (for test procedure see "BER Test Setup")
Test Mode Set to YES in order to measure BER
BER
BERm
January 2019
DVRS Installation & Programming Guide – PART II
Tx Off (unchecked)
PTT ON – DVR keys up on selected channel and using
programmed setting (channel type, PL/DPL, NAC etc)
PTT OFF – DVR Transmitted is idle
CARRIER – DVR Transmitter is keyed up with carrier only (no
modulation). Limited to 10 minutes max key up time.
To use PTT ON or CARRIER, the "Test Mode" field must be
set to YES and "Transmitter Mode" must be set to Tx Enable.
Indicates the Carrier Activated Squelch (CAS) status (Idle or
Active) of the DVR with respect to the programmed RSSI and
Squelch thresholds on the selected DVR channel.
DVR.
up.
Permanent Primary or OFF.
signal (Active or Idle).
Test options.
Displays instant (BER) and averaged (BERm) Bit Error Rate
APX Series P25 Interface
Description
8M083X25 R14
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