Barco STELLAR User And Service Manual page 171

LEDs and relays,
1 alarm
Condition
1 No fault
2 Fault X occurs
3 You press the Receiving Attention button
4 Fault X clears
5 Fault X clears after 2
G
= active relay, LED lit,
LEDs and relays,
2 alarms
Condition
1 No fault
2 First fault. Digital audio input loss
(B-alarm)
3 You press the Receiving Attention
button after 2
4 Fault clears after 3
5 Second fault. Network input loss
(A-alarm) after 3
6 You press the Receiving Attention
button after 5
7 First fault clears after 6
8 First fault clears after 5
G ❍
= active relay, LED lit,
Comments
The following table shows the state of the front LEDs and alarm relays for one alarm
in different alarm situations. For further information on the definition of active and
inactive relays, see Connecting to an external alarm system, p. 27.
❍
= inactive relay, LED not lit
The following table shows the state of the front LEDs and alarm relays for two
alarms in different alarm states:
Front LEDs
A B Rec. Att
❍ ❍
❍ G
❍ ❍
❍ ❍
G ❍
❍ ❍
❍ ❍
G ❍
= inactive relay, LED not lit
The Z and Z relays in sequence 2 signal the presence of an A or B alarm respec-
A B
tively. Unlike the LEDs and the A and B relays, these relays are not influenced by the
Receiving Attention button.
Front LEDs
A or B Rec. A or B
Att.
❍ ❍ ❍
G ❍ G
❍ G ❍
❍ ❍ ❍
❍ ❍ ❍
Alarm relays
A B
❍ ❍ ❍
❍ ❍ G
G ❍ ❍
❍ ❍ ❍
G G ❍
G ❍ ❍
G ❍ ❍
❍ G ❍
B
Alarm relays
Rec. Att. Z or Z
A B
❍ ❍
❍ G
G G
❍ ❍
❍ ❍
Za Rec. Att Zb
❍ ❍ ❍
❍ ❍ G
❍ G G
❍ ❍ ❍
G G G
G G G
G G ❍
G ❍ ❍
B-7
Alarm sequence 2