Yamaha DSP-Z9 Owner's Manual page 113

Problem
There is noise This unit is too close to digital or high-
interference from
frequency equipment.
digital or high-
frequency equipment,
or this unit.
The picture is The video source uses scrambled or
disturbed. encoded signals to prevent dubbing.
This unit suddenly
The internal temperature has become too
switches to the high and the overheat protection circuitry
standby mode. activated.
Monitor output fails. The wrong TV format is set.
Remote control
Problem
The remote control The remote control is being used at the
does not work or wrong distance or angle.
function properly.
Direct sunlight or lighting (from an
inverter type fluorescent lamp, etc.) is
striking this unit's remote control sensor.
The batteries are weak.
The manufacturer code was not set
correctly.
Even if the manufacturer code is correctly
set, there are some models that do not
respond to the remote control.
The remote control The batteries of this remote control and/or
does not "learn" new the remote control for your component are
functions. too weak.
The distance between the two remote
controls is too long or too short.
Signal coding or modulation of the remote
control for your component is not
compatible with this remote control.
Memory capacity is full.
Cause
Move this unit further away from such equipment.
Playing back video software that has an anti-copy
signal or video signals with a lot of noise may
produce unstable images.
Wait until this unit cools down and then turn it back
on.
Press and hold down EXIT on the remote control for
5 seconds or longer to initialize Video settings.
Cause
The remote control will function within a maximum
range of 6 m (20 ft) at no more than 30 degrees off-
axis from the front panel.
Reposition this unit.
Replace all batteries.
Set the manufacturer code correctly.
Try setting another code for the same manufacturer.
Program the necessary functions independently for
the programmable buttons using the learn feature.
Replace the batteries.
Place the remote controls at the proper distance.
Learning is not possible.
Delete unnecessary functions to make room for new
functions.
TROUBLESHOOTING
Remedy
Remedy
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