Instruction Manual

14
M2 User Manual
HD Radio
TM
FM - Multicast HD-2 channel selected
F M 1 0 8 . 3 H D - 2
S P O R T S
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.