Yamaha IMX644 Music Mixer User Manual


 
18 IMX644 Owner’s Manual
Appendix
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.
Troubleshooting
Symptom Possible Cause Solution
The power won’t turn on.
The power cable is not prop-
erly connected.
After connecting the power cable to the connector on the rear panel
of the IMX644, plug the cable into an appropriate AC outlet.
No sound.
The audio cables are not
properly connected.
Check all audio connections.
Connected devices are not
turned ON.
Check to make sure that the power to all connected devices is turned
ON.
Wrong matrix settings.
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.
Level settings too low.
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.
Sound levels don’t change
when the level knobs are
operated.
The LOCK function may be
engaged.
Disengage the main LOCK function via the IMX644 panel (page 8),
or disengage LOCK for a specific knob via the IMX644 Manager
application.
Pressing a MEMORY button
results in no change to the
settings.
The LOCK function may be
engaged.
Disengage the main LOCK function via the IMX644 panel (page 8).
No settings have been
saved in memory.
Make the required settings via the IMX644 Manager application, and
then save them to the appropriate memory.
The appropriate memory-to-
button assignment has not
been made.
Use the IMX644 Manager application to assign the desired memory
to the button.
Memory cannot be recalled
via the GPI interface.
A memory is not assigned to
the GPI input.
Use the IMX644 Manager application to assign the desired memory
to the GPI Input Terminal.
The IMX644 cannot be oper-
ated from an external con-
troller (AMX/Crestron).
The IMX644 is operating in
IMX644 Manager mode.
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.
The IMX644 cannot be oper-
ated from the IMX644 Man-
ager application.
The IMX644 is operating 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.
Memory Initialization