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Electronic Theatre Controls, Inc.
2
Indicator LEDs
When you first turn on your system (or press [Reset]) the module's processor runs a series
of self tests. The LEDs turn on, then all flash together. Once the tests finish, the LEDs stop
flashing. Each indicator LED provides specific information about the operating status of
the module, as described below.
Turn to remove
+5V A B C D
E F G
H
Fuse
Reset
Type 3AG-1
H (green)
LED Off
LED On
G (red)
LED Off
LED On
F (green)
LED Off
LED On
E (red)
LED Off
LED On
D (green)
LED On
LED Flashing
C (red)
LED Off
LED Flashing
B (green)
LED On
LED Flashing
A (red)
LED Off
LED Flashing
+5V (green)
LED Off
LED On
Note: If all LEDs flash simultaneously, the system has encountered a condition that makes
it impossible to function. Please contact ETC customer service at 608/831-4116 if this
happens. See Backup Jumpers on page 4 for more information.
Reset button
Press [Reset] any time you change the EMR/EMAR's internal jumper settings.
(See Configuring the EMR/EMAR on page 3 for more information on jumper settings.)
Also, press [Reset] any time you install an EMR/EMAR into a system that has already
been turned on.
Fuse
To remove the fuse, push slightly on the center of the fuse cover with a screwdriver
and turn the cover counter-clockwise. Replace the fuse with type 3AG-1 only.
Port 1 Input status
Data not being received
Data is being received
Port 1 Input status
Normal
Error detected
Port 2 Input status
Data not being received
Data is being received
Port 2 Input status
Normal
Error detected
Port 1 Output status
Data not being transmitted
Data is being transmitted
Port 1 Output status
Normal
Error detected
Port 2 Output status
Data not being transmitted
Data is being transmitted
Port 2 Output status
Normal
Error detected
Power LED
System is off or disconnected
System is receiving power
EMR/EMAR Users Manual
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