Check network wiring – Crestron electronic QM-FTCC User Manual
Page 38
QuickMedia™ FlipTop Computer Center
Crestron QM-FTCC
QM-FTCC Troubleshooting (Continued)
TROUBLE
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Microphone requires
phantom power or cannot
use phantom power.
Enable or disable phantom power
as necessary using controls
created in the SystemBuilder
project.
Incorrect gain, gating
level, attack time or
decay time settings.
Adjust gain, gating level, attack
time, or decay time settings as
required.
Microphone
does not
produce
sound.
Incorrect volume and/or
mixer settings on
QM-RMCRX-BA.
Adjust volume and/or mixer
settings on QM-RMCRX-BA as
required.
Incorrect peak setting.
Adjust QM-RMCRX-BA peak
control until audio is restored. For
more information refer to the latest
version of the QM-RMCRX-BA
Operations Guide (Doc. 6332).
Poor cable connection.
Verify all cable connections.
Intermittent
microphone
output.
Gating setting too high.
Adjust gating level.
Microphone
produces
harsh,
distorted
sound.
Input gain is set too
high.
Lower microphone input gain.
Buttons do
not function
when
pressed.
Net ID incorrect or does
not match SIMPL
Windows program.
In Toolbox, check Functions |
CresnetID
to verify Net ID. Verify
SIMPL Windows program ID.
Button press
yields
incorrect
result.
Incorrect programming.
Verify SIMPL Windows program.
Button LED
does not
illuminate.
Feedback signal names
incorrect in SIMPL
Windows.
Verify SIMPL Windows feedback
signal names.
Check Network Wiring
Use the Right Wire
In order to ensure optimum performance over the full range of your installation
topology, Crestron Certified Wire and only Crestron Certified Wire may be used.
Failure to do so may incur additional charges if support is required to identify
performance deficiencies because of using improper wire.
Calculate Power
CAUTION: Use only Crestron power supplies for Crestron equipment. Failure to
do so could cause equipment damage or void the Crestron warranty.
CAUTION: Provide sufficient power to the system. Insufficient power can lead to
unpredictable results or damage to the equipment. Please use the Crestron Power
Calculator to help calculate how much power is needed for the system
.
When calculating the length of wire for a particular Cresnet run, the wire gauge and
the Cresnet power usage of each network unit to be connected must be taken into
consideration. Use Crestron Certified Wire only. If Cresnet units are to be daisy-
34
• QuickMedia™ FlipTop Computer Center: QM-FTCC
Operations & Installation Guide – DOC. 6313B