Yamaha QL5 Owner's Manual page 49

There is insufficient headroom, especially when EQ
boost is applied.
 Use the EQ attenuator function to lower the level.
An input signal is being input, but there is no
monitor output.
 Could the DIMMER be applied?
 Could the MONITOR CH be assigned even though
its output port has not been connected to an external
device?
Signal is delayed.
 Check whether the delay setting for each INPUT
channel and OUTPUT PORT is set correctly.
Rotating a MIX knob does not change the send level
to the MIX bus.
 Is the TO MIX SEND ON/OFF button turned on?
 Is the MIX [ON] key turned on?
 Is the MIX bus set to VARI type?
 If the send point is set to POST, could the fader have
been lowered?
Cannot save scene memory or various library data.
 Are you attempting to save the data to a read-only
scene/library or a protected scene?
 Could user level restrictions have been specified?
Cannot save to a USB flash drive.
 Could the USB flash drive be protected?
 Does the USB flash drive have enough free capacity
to save the data?
 When formatting the USB flash drive, format it in
FAT32 or FAT16 format.
 Could the recorder be playing back?
Cannot transmit or receive MIDI data.
 Is the MIDI PORT selected correctly?
 Are the transmission and reception modes and chan-
nels selected correctly?
 Has an event corresponding to the particular Pro-
gram Change message been specified?
When you recall a scene, some channels/parameters
are not updated.
 Could that channel or parameter be set to Recall
Safe?
 Could FOCUS be set in such a way that the channels
or parameters will not be updated?
 Could user level restrictions have been specified?
You turn on a CUE button in the EFFECT EDIT screen,
but it is automatically defeated.
 This is defeated automatically when you switch
screens in the display.
When you recall a scene, it takes a certain amount of
time for the faders to stop.
 Could you have specified a fade time?
The panel LEDs or LCD display are too dark/too
bright.
 This can be adjusted in the SETUP screen.
Signal level of a specific frequency is low.
 Could the EQ gain be turned down excessively?
 Routing a signal through a GEQ or EFFECT will
delay it relative to other signals. If this signal is mixed
with another signal that is routed via a different signal
path, a comb filtering effect will cause the level of a
specific frequency to be decreased.
Cannot control an I/O device.
 Are the rotary switch and DIP switches on the I/O
devices set correctly?
 Does the channel being controlled match the chan-
nel on the I/O device?
Cannot control the QL unit from QL Editor.
 Is the computer connected to the unit's Network jack
correctly?
 Is the network setting on the QL unit specified cor-
rectly?
 For details on settings, refer to the QL Editor installa-
tion guide posted on our website.
Cannot control the QL unit from StageMix.
 Is the WiFi setting in QL StageMix set correctly?
 Is the unit's Network jack on the QL unit connected to
the WiFi access point correctly?
 Is the network setting on the QL unit specified cor-
rectly?
 Refer to the QL StageMix Owner's Manual on our
website.
In the LCD display, there are some black points
(unlit) or white points (always lit).
 Unfortunately, this is a common characteristic of
TFT-LCDs. This is not a malfunction.
In the channel name display, because of the response
speed of the GR meter display on each channel's
voice input and output, the indication may be weak
or different than expected.
 This is a common characteristic of LCDs and not a
malfunction. Depending on the input source, this
phenomenon may be more pronounced.
Troubleshooting
49
Owner's Manual