ALARM-24 Series User Manual P/N 821542 Rev-A
10
© 2003 Wohler Technologies Inc. ALL rights reserved
Please refer to the example in
Figure-2a
on the following page to familiarize yourself with the front panel features of the
ALARM-
24
Series units. The following sections describe these functions and are referenced, by number, to
Figure-2a
.
Section 2: Operation
Front Panel Features
1
2
3
4
5
6
7
Alarm Sounder
The Piezo
Alarm Sounder
produces an audible alarm when the the alarm threshold has been exceeded. See page 9 for
instructions for how to disable or enable the
Alarm Sounder
.
Loss (of Audio) Indication LED
This RED LED lights up to indicate that the
loss of audio
alarm threshold has been exceeded in the associated channel.
Channel Reset Button
ALARM-24xS/x:
For the
stereo
product, this momentary push-button
resets
the alarm for the associated channel
pair
.
ALARM-24xM/x:
For the
mono
product, this momentary push-button
resets
the alarm only for each
single
channel.
Phase/Polarity Reversal Indication LED OR Channel Reset Button
ALARM-24xS/x:
For the
stereo
product, this is a YELLOW LED, which lights up to indicate that the
phase
alarm threshold
has been exceeded in each associated channel
pair
.
ALARM-24xM/x:
For the
mono
product, this is a
Channel Reset Button
(see
Item 4
, above), which
resets
the alarm for
each
single
channel.
Clipping Indication LED
This RED LED lights up to indicate that the
audio clipping
alarm threshold has been exceeded in the associated channel.
Power Indication LED
This GREEN LED lights up to indicate the
ALARM-24
model is connected to operational mains power.
Reset All Push-Button
This momentary push-button simultaneously
resets
the alarm for ALL the channels in the unit.