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Status LEDs
There are four LEDs on the left side of the card
above the Reset Button and Selector Switch. These
LEDs are used as follows:
E
Steady blink if there is no SD card inserted
into the DC-MP3.
Steady ON if the Hardware Utility is attached
to the DC-MP3 – no SD card may be inserted
while communicating with the Hardware
Utility.
Blink twice, pause, blink twice, pause, ... if
the show selected by the Selector Switch
does not exist.
Fast blink if the selected show is not present
on the SD card or the SD card is invalid
Random blink during a show (SD card
inserted) if the DC-MP3 falls more than a
tenth of second behind in getting lighting
controller commands out on the RS485
network link.
R
Steady blink if the DC-MP3 is waiting for a
scheduled show to start.
Blink twice, pause, blink twice, pause, ... if
waiting for an input trigger to start a show
and/or waiting for a scheduled show.
C
Not currently used except during startup to
indicate the firmware version present in DC-
MP3.
P
This green LED is lit when the DC-MP3 is
powered.
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DC-MP3
DC-MP3
See the DC-MP3 Firmware Versions section for an
explanation of how these LEDs are used to indicate
the firmware version.
Selector Switch
[Remember to press the Reset button after moving
the Selector Switch to notify the microprocessor]
With firmware version 1.0 or later firmware and an
old firmware format SD card, this switch controls the
RS485 communications data rate.
0
19,200 bits/second
1
57,600 bits/second
2
115,200 bits/second
Use the slowest speed that successfully runs your
show. If the speed you select is not fast enough to
run your show, the red E LED will blink during the
show. This indicates that the DC-MP3 has fallen at
least one tenth of second behind in getting controller
commands out on the RS485 network link.
Version 2.0 and later firmware sets the
communications rate via the Hardware Utility when
creating the SD card to run your show(s.) The
Selector Switch is not used.
Version 3.0 firmware uses the Selector Switch in the
following manner:
Positions '1' through '9' select that particular show.
Only the selected show will run. If the selected show
has a scheduled time, it will only run during that time
period. If the selected show is set to run anytime, it
will start as soon as the DC-MP3 has initialized
(about 5 seconds.)
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