29
■
Alarm Input
The Video Multiplexer can handle the following alarms:
• Interface Alarm
Alarm received from the ALARM/REMOTE connector.
“ALARM” is displayed on the monitor screen.
• Camera Switching Signal Loss Alarm
Alarm indicating that camera switching signal loss has
occurred.
“SW LOSS” is displayed on the monitor screen.
• Video Input Signal Loss Alarm
Alarm indicating that camera signal loss has occurred.
“CHXX LOSS” is displayed on the monitor screen.
■
Alarm Operation
When an alarm is activated, the Multiplexer, the Record
Output and Monitor Output perform as shown below.
Refer to the ALARM SETUP menu of the SETUP MENU on
page 11 for settings.
●
WJ-FS116/WJ-FS109 Multiplexer
1. Front Panel Display
When an alarm is activated, the Alarm Indicator (Red) and
the corresponding Camera Selection Button (Green) blink.
The Alarm Output signal is supplied to pin 9 of the
ALARM/REMOTE connector for the programmed duration.
The indicator lights up after the preset Auto Reset Time has
elapsed or the Video Multiplexer has received the Alarm
Recovery In signal from the VTR.
If another alarm is activated during output of the previous
alarm, the later alarm is output for the programmed dura-
tion.
2. Alarm Buzzer
The built-in buzzer beeps for the programmed duration.
The buzzer stops beeping before that duration when the
alarm is reset.
●
Record Output
The pictures of channels where alarm is activated are
recorded on the VTR in the mode specified for the ALM
REC MODE parameter on the ALARM SETUP menu.
1. Alarm Priority Mode
The pictures of channels where alarm is activated are
recorded with more fields than in normal recording if ALM -
PRI is specified in the ALARM SETUP menu.
2. Alarm Only Mode
Only the picture of the channel receiving an alarm is
recorded while other channels’ are ignored.
3. Group Mode
The pictures of channels assigned to an ALARM group are
recorded with more fields than normal. Assignments are
specified in the ALARM SETUP menu.
●
Monitor Output
1. Alarm Display Mode
The camera title and “ALARM” display blink alternately on
the monitor screen if the ALM DISPLAY is set to ON.
ALARM
2. Alarm Channel Monitor Mode
The picture of the channel where alarm is activated is dis-
played on the monitor if Alarm MONITOR MODE is set to
SPOT. The picture displayed before alarm was activated
will be restored after the alarm is reset. It remains on the
monitor if Alarm MONITOR MODE is set to OFF.
ALARM CONTROL FUNCTION
