Troubleshooting; Memory Initialization - Yamaha IMX644 Owner's Manual

Appendix

Troubleshooting

Symptom
The power won't turn on.
No sound.
Sound levels don't change
when the level knobs are
operated.
Pressing a MEMORY button
results in no change to the
settings.
Memory cannot be recalled
via the GPI interface.
The IMX644 cannot be oper-
ated from an external con-
troller (AMX/Crestron).
The IMX644 cannot be oper-
ated from the IMX644 Man-
ager application.

Memory Initialization

The following procedure initializes the IMX644 memory.
CAUTION
• All data stored in memory will be erased when the memory is initialized. Perform the following procedure with caution.
1
Turn the IMX644 power OFF.
2
Turn the power back ON while simultaneously holding the MEM-
ORY [A] and [D] buttons.
Initialization will take about one second.
When initialization is complete the odd-numbered matrix input channel indica-
tors will light.
3
To recall the initial memory data press a MEMORY button for
longer than two seconds.
NOTE
• Initialization erases the password required to connect the IMX644 Manager application to the IMX644 unit. After initialization it will be
necessary to set a new password to bring the IMX644 online.
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IMX644 Owner's Manual
Possible Cause
The power cable is not prop-
erly connected.
The audio cables are not
properly connected.
Connected devices are not
turned ON.
Wrong matrix settings.
Level settings too low.
The LOCK function may be
engaged.
The LOCK function may be
engaged.
No settings have been
saved in memory.
The appropriate memory-to-
button assignment has not
been made.
A memory is not assigned to
the GPI input.
The IMX644 is operating in
IMX644 Manager mode.
The IMX644 is operating in
normal mode.
Solution
After connecting the power cable to the connector on the rear panel
of the IMX644, plug the cable into an appropriate AC outlet.
Check all audio connections.
Check to make sure that the power to all connected devices is turned
ON.
Check the matrix indicators to make sure that the input and output
assignments are correct. If the matrix settings are not appropriate
use the IMX644 Manager application to set them as required. Also
check the matrix send levels.
Make sure that the panel level controls are set appropriately. If this
doesn't produce the desired output check the settings via the IMX644
manager application.
Disengage the main LOCK function via the IMX644 panel (page 8),
or disengage LOCK for a specific knob via the IMX644 Manager
application.
Disengage the main LOCK function via the IMX644 panel (page 8).
Make the required settings via the IMX644 Manager application, and
then save them to the appropriate memory.
Use the IMX644 Manager application to assign the desired memory
to the button.
Use the IMX644 Manager application to assign the desired memory
to the GPI Input Terminal.
Turn the IMX644 power OFF, and then after waiting for at least six
seconds turn the power ON again (without holding the MEMORY [D]
button) to start the IMX644 in "normal" mode.
Turn the IMX644 power OFF, and then after waiting for at least six
seconds turn the power ON again while holding the MEMORY [D]
button to start the IMX644 in "IMX644 Manager" mode.