User manual
18"
M3#User#Manual#
Performance Loss Monitor
Performance Loss Monitor (PLM) Connections – The PLM provides Normally Open opto-isolated
alarm outputs on a rear panel mounted DB15 connector to report selected alarm conditions, including
loss of RF carrier, program audio, OFDM lock and PAD data on each Tuner Module. The following lists
the DB15 pin-outs. Relay contacts are rated at 10mA @ 24VDC.
Alarm on Loss of
+ Contact
- Contact
RF Carrier
1
2
Audio
3
4
OFDM Lock
5
6
RBDS
7
8
PAD Data
9
10
MC-Avail or Delay
11
12
Alarm Configuration Menu – After selecting the desired tuner, press the ALARM SETUP switch to
activate the Alarm Configuration Menu. VFD displays ALARM CONFIG with “ENABLE” and “SETUP”
options. Select desired option using UP and DN switches to toggle the setting. Select “ENABLE” to arm
all alarms as previously configured and exit Alarm Configuration Menu; select “SETUP” to continue with
alarm configuration menu. Press “SELECT” to increment the menu to the next alarm function. Exit the
Alarm Configuration Menu at any time by pressing ALARM SETUP switch.
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All Alarms
• Select “ON” to activate all alarms at the minimum threshold with the minimum alarm delay.
Select “OFF” to set all alarms to off; select “SETUP” option to continue with alarm configuration
menu. Use UP and DN switches to toggle the setting.
• Push “SELECT” switch to increment the menu to the next alarm function.
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