Digital Network Public Address & Voice Alarm System
Main Amplifier: Normal/Fault/Sleep. It shows working status of main amplifier: it shows as Normal when
main amplifier works well; it shows Fault when amplifier output AMP loop is short-circuited or faulty. If
sleep function is on and more than 3 minutes without input signal, it will switch to sleep-mode to save
power (configure in software).
Spare Amplifier: Normal/Fault/Sleep. It shows working status of spare amplifier: it shows as Normal
when spare amplifier works well; it shows Fault when amplifier output AMP loop is short-circuited or faulty.
If sleep function is on and more than 3 minutes without input signal, it will switch to sleep-mode to save
power (configure in software).
Physical Zone: 01 02 03 04 05 06 07 08 (it means that system is equipped with eight main
amplifiers. If system is just equipped with four main amplifiers, it will show: 01 02 03 04);
Sub-Zone Status: Normal/Open/Short/Ground. It shows physical working status of current sub amplifier:
it shows as Normal when connection is good; it shows as Open when loop between H and C is
open-circuit; is shows as Short when loop between H and C is short-circuit; it shows as Ground when H
and C of output terminal is grounded.
6. Audio Priority…: This icon shows priority level of zone amplifier audio: when several audio
signals are inputted at the same time, the final output audio is determined by these values. Please refer to
Audio Priority Menu. (Press up and down icon to view priority level of other zone amplifier). Zone Amplifier
01-Audio Priority (Priority level can be configured in PC software).
Instruction: default setting of zone amplifier audio priority.
(00--highest priority, 05--lowest priority)
Local Emergency MIC--01
7. Online interface...,To view or manual control of the third party online interface, see "partition
amplifiers online interface menu, each menu item meaning refer to section" host online interface ";
Click the icon to enter submenu (can press the up and down key page to see other partitions online
interface state)
Partition power amplifier 01 - online interface:
Trigger modes: electric level or short circuit state, (the mode can be configured by PC software).
Channels: 01, 02 03 04 05 06 07, 08 (host 8-channel interface INPUTS MODE: LEVEL and SHORT);
Input: in the condition of electric level mode, it will show as Normal when input end test normal,
It shows open circuit when input end is no external connection trigger circuit is disconnected; it shows
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