Chapter 2: Product description
16 EST3X Technical Reference Manual
The 4X-LCD-LC allows you to install separately ordered language inserts into
pockets on the interface for the control and indicator labels. See the 4X-LK
Language Kit Installation Sheet (P/N 3101995) for a list of available kits and
installation instructions.
Buzzer indicator
In coordination with visual event notifications on the user interface, the control
panel employs a buzzer to alert the operator of off-normal system conditions
such as active alarms, active tests, disabled zones, active fault conditions, and
active monitor conditions. The list below shows the buzzer patterns that sound
with associated events.
• Alarm: 3-3-3 pattern
• Supervisory: 2-2 pattern
• Trouble: 30 pulses per minute
• Monitor: 3-3-3 pattern
Note: As determined by the 3-SDU configuration, a reminder buzzer may sound.
Operator controls and indicators
ALARM DISABLE SUP GND FAULT CPU FAIL TROUBLE POWER
ACKNOWLEDGE
ALARM
SILENCE
PANEL
SILENCE
RESET
(1)
(2)
(3)(4)(5)(6)