SIGMA AM-255 User Manual
Page 14
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3. OPERATING INSTRUCTIONS page 11
Model AM-255
3.3. OPERATION
During normal operation no operator intervention is needed. If an alarm condition is indicated,
the AM-255 will sound an audible alarm and the panel lamps will indicate the nature of the
alarm so that proper action may be taken.
Pressing the test button will cause all the alarm lamps to flash, the ready LED to illuminate and
the audio alarm to sound. If the key switch is in the normal position, it will energize the relays.
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