10 CMDN Manual
Front Panel Switches
Next/Acknowledge Switch:
Acknowledges the receipt of new messages at the CMDN-C/SMDN-C
and automatically advances to the next unacknowledged message.
When there are no unacknowledged messages, the Next/Acknowledge
switch is used to scroll forward through the review buffer. The review
buffer only displays active points. Should a point go active then
restore, it will not appear in the review buffer.
Back Switch:
When there are no unacknowledged messages, the BACK switch may
be used to scroll in reverse through the review buffer. When the BACK
and Next/Acknowledge switches are operated simultaneously after all
messages have been acknowledged, the LCD display is cleared.
The following switches are available only on the "-C" series
annunciators:
Enable/Disable Key Switch:
Either the Enable or Disable position of the Key Switch may be
configured to enable or disable any combination of the front panel
Reset, Alarm Silence, Trouble Silence, and Drill switches.
Reset Switch:
Reset directs the CM1(N) or PCPU to issue a system wide reset
command after all system wide status points have been acknowledged.
Alarm Silence Switch:
Directs the CM1(N) or PCPU to issue a system wide alarm silence
command. Operating the ALARM SILENCE switch generates a
trouble LED in the display and activates the internal trouble buzzer.
Pressing the ALARM SILENCE and TROUBLE SILENCE switches
simultaneously starts a 5 second LED test sequence.
Trouble Silence Switch:
Silences the local annunciator's CMDN-C/SMDN-C trouble buzzer
after all messages have been acknowledged. This is not a network wide
function.
Drill Switch
Directs the CM1(N) or PCPU to issue a system wide drill command.
Audible Indicators
The CMDN(-C)/SMDN(-C) will pulse its internal buzzer when there
are unacknowledged messages in its message buffer. Trouble
conditions cause the buzzer to sound continuously, until silenced. The
CMDN/SMDN (without a trouble silence switch) buzzer sounds only
for unacknowledged messages in its message buffer.
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