Vicon VSW-16RS232, Installation & Operation Manual, Page: 29 / 34

XX079-00-01 Rev 303 Video Switchers Operation
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The Status Group
The status group consists of a set of two letters representing the status of various alarm and sequence
functions.
A: This indicates that an alarm is active from its alarm inputs. When all of the alarm inputs are
inactive, the display indicator disappears from the screen.
S: This indicates that two or more video inputs are sequencing on the monitor. To stop sequencing,
press and hold the SHIFT key and press the STOP key.
Viewing the Alarm List
If the View Alarm List option in the Alarm Output Menu is set to Auto, it is not necessary to use this function
because the list of active alarms is displayed automatically when an alarm occurs and remains on-screen until
all the alarms are cleared. If the automatic display function is set to Off, pressing and holding the SHIFT key
and pressing the VIEW key (manual call-up) displays the active alarm list.
View alarm list: SHIFT, VIEW
Acknowledge Alarms
An alarm may be cleared from a video switcher by one of three means:
1. Automatic acknowledgment
2. Manual acknowledgment
3. Setting Type to Momentary on the Alarm submenu
The automatic acknowledgment mode is programmed in the Alarm menu and provides a dwell range from 1 to
60 seconds. At the end of the programmed dwell period, all forms of alarm output (on-screen alarm
announcement, LED flashing, dry contact relay outputs) are terminated except the buzzer.
Manual acknowledgment is executed by pressing and holding the SHIFT key and pressing the ACK key.
Manual acknowledgment: SHIFT, ACK
Manual acknowledgment has a variety of functions:
Buzzer: If the buzzer function is enabled in the Alarm submenu and the buzzer is activated by an
alarm, the buzzer can only be turned off by manual acknowledge; even if auto acknowledgment is
selected or momentary alarm resets, the buzzer continues to sound until manually acknowledged.
Screen displays and LED: (1) If automatic acknowledgment is disabled, manual acknowledgment
must be used to terminate alarms if the Type line of the Alarm submenu is set to Latched. (2) If Type
is set to Momentary, the alarm terminates when the alarm inputs are inactive; however, the alarm may
be manually acknowledged before the alarm device resets.
Type set to Momentary enables alarm outputs (on-screen alarm announcement, LED flashing, dry contact
relay outputs) when any of the alarm inputs are active and disables alarm outputs when all the alarm inputs
are inactive.