Performance loss monitor – DaySequerra M2.0X User Manual
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M2 User Manual
HD Radio
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Performance Loss Monitor
Performance Loss Monitor (PLM) Connections – The PLM (standard on the M2.2R) provides six
dry, floating relays with 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. The following lists
the DB15 pin-outs. Relay contacts are rated at 1A @ 24VDC.
Note – RBDS Loss alarm available on M2.2R model only.
Alarm on Loss of NC
Contact NO
Contact Common
RF Carrier
3
2
1
Audio
5 4
1
OFDM Lock
8
7
6
RBDS
– M2.2R and M4.2R only
10
9
6
PAD Data
13
12
11
MC-Avail or Delay
15
14
11
Alarm Configuration Menu – Pressing the SELECT and PRESETS switches for 5 seconds activates
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 PRESETS switch.
A L A R M C O N F I G
E N A B L E > S E T U P <
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.