DCM Speakers DCM-2 Manual De Usuario
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TROUBLESHOOTING
If the DCM Manager program is unable to communicate with the DCM hardware...
• Verify the RS-232 cable connections. Re-seat each cable-end and finger-tighten connector retaining
screws.
screws.
• Make sure the 9-pin serial data cable (RS-232 cable) is a normal type cable. “Null-modem” or other
“special” cable will not work with the DCM.
“special” cable will not work with the DCM.
• Try a known-good serial data cable, if possible.
• Verify the COM port selection in the DCM Manager program. Port selection is automatic, but it is possible
that incorrect auto-selection is preventing communication.
that incorrect auto-selection is preventing communication.
• Confirm the serial port (COM port, RS-232 port) you are using is operating properly. Windows has provi-
sions for checking hardware in the Windows Control Panel. Refer to the Windows help system for more
information.
sions for checking hardware in the Windows Control Panel. Refer to the Windows help system for more
information.
• Cycle the power of both the PC and the DCM.
• Check that no other program or utility is using the specified COM port.
If there is no audio from the front panel Monitor Speaker....
• Check the Monitor Volume control; it should be set to a useful level, not fully counterclockwise.
• Verify the desired active monitor source is selected by pressing the AMPS/PROC selector button and
observing the illuminated LEDs beneath channels selected for monitoring. Select or deselect your desired
monitor sources.
observing the illuminated LEDs beneath channels selected for monitoring. Select or deselect your desired
monitor sources.
• Try just selecting the center channel of the Cinema Processor input (select PROC, then select C using the
front panel push-button controls). If there is a center channel input signal connected to the FROM PROCES-
SOR OUTPUT connector on the rear of the DCM, it should be audible now. If not, continue with the next
step.
front panel push-button controls). If there is a center channel input signal connected to the FROM PROCES-
SOR OUTPUT connector on the rear of the DCM, it should be audible now. If not, continue with the next
step.
• Verify the connections of the Cinema Processor cable. This is the cable that connects the Cinema
Processor’s outputs to the DCM’s inputs (the FROM PROCESSOR OUTPUT connector). Re-seat each cable-
end and finger-tighten connector retaining screws.
Processor’s outputs to the DCM’s inputs (the FROM PROCESSOR OUTPUT connector). Re-seat each cable-
end and finger-tighten connector retaining screws.
• Make sure that an active film score is playing and the center channel output of the Cinema Processor is
functioning.
functioning.
• If the sound is audible, but all attempts to get it louder fail, connect the DCM to a PC running DCM
Manager software and check the Monitor Gain Levels settings on the Mute/Monitor tab. These settings
have an attenuation range of 0 to -16 dB.
Manager software and check the Monitor Gain Levels settings on the Mute/Monitor tab. These settings
have an attenuation range of 0 to -16 dB.