Pioneer DMH-340EX Owners Manual - Page 40

Appendix

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Appendix English Troubleshooting If you have problems operating this product, refer to this section. The most common problems are listed below, along with likely causes and solutions. If a solution to your problem cannot be found here, contact your dealer or the nearest authorized Pioneer service facility. Common problems A black screen is displayed, and operation is not possible using the touch panel keys. → Power off mode is on. - Press to release the mode. Problems with the AV screen The screen is covered by a caution message and the video cannot be shown. → The parking brake lead is not connected or the parking brake is not applied. - Connect the parking brake lead correctly, and apply the parking brake. → The parking brake interlock is activated. - Park your vehicle in a safe place and apply the parking brake. The audio or video skips. → This product is not firmly secured. - Secure this product firmly. No sounds are produced. The volume level will not rise. → Cables are not connected correctly. - Connect the cables correctly. iPhone cannot be operated. → The iPhone is frozen. - Reconnect the iPhone with the USB interface cable for iPhone. - Update the iPhone software version. → An error has occurred. - Reconnect the iPhone with the USB interface cable for iPhone. - Park your vehicle in a safe place, and then turn off the ignition switch (ACC OFF). Subsequently, turn the ignition switch to on (ACC ON) again. - Update the iPhone software version. → Cables are not connected correctly. - Connect the cables correctly. Sound from the iPhone cannot be heard. → The audio output direction may switch automatically when the Bluetooth and USB connections are used at the same time. - Use the iPhone to change the audio output direction. No back camera image when the vehicle is in reverse. → The back camera input setting on the receiver is set to Off. - Change the back camera setting to On in the settings menu. (Refer to the System Settings section of this manual to adjust.) → The camera input may be loose or not connected. - Check the connection and make sure the male end of the camera is connected to the brown input on the back of the receiver. (Refer to the installation manual.) → The reverse lead on the receiver may not be connected to the proper wire at the reverse lamp. - 40 -

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English
- 40 -
If you have problems operating this
product, refer to this section. The most
common problems are listed below, along
with likely causes and solutions. If a
solution to your problem cannot be found
here, contact your dealer or the nearest
authorized Pioneer service facility.
A black screen is displayed, and
operation is not possible using the touch
panel keys.
→
Power off mode is on.
– Press
to release the mode.
The screen is covered by a caution
message and the video cannot be shown.
→
The parking brake lead is not connected
or the parking brake is not applied.
– Connect the parking brake lead
correctly, and apply the parking brake.
→
The parking brake interlock is activated.
– Park your vehicle in a safe place and
apply the parking brake.
The audio or video skips.
→
This product is not firmly secured.
– Secure this product firmly.
No sounds are produced. The volume
level will not rise.
→
Cables are not connected correctly.
– Connect the cables correctly.
iPhone cannot be operated.
→
The iPhone is frozen.
– Reconnect the iPhone with the USB
interface cable for iPhone.
– Update the iPhone software version.
→
An error has occurred.
– Reconnect the iPhone with the USB
interface cable for iPhone.
– Park your vehicle in a safe place, and
then turn off the ignition switch (ACC
OFF). Subsequently, turn the ignition
switch to on (ACC ON) again.
– Update the iPhone software version.
→
Cables are not connected correctly.
– Connect the cables correctly.
Sound from the iPhone cannot be heard.
→
The audio output direction may switch
automatically when the Bluetooth and
USB connections are used at the same
time.
– Use the iPhone to change the audio
output direction.
No back camera image when the vehicle
is in reverse.
→
The back camera input setting on the
receiver is set to Off.
– Change the back camera setting to On
in the settings menu. (Refer to the
System Settings section of this manual
to adjust.)
→
The camera input may be loose or not
connected.
– Check the connection and make sure
the male end of the camera is
connected to the brown input on the
back of the receiver. (Refer to the
installation manual.)
→
The reverse lead on the receiver may
not be connected to the proper wire at
the reverse lamp.
Appendix
Troubleshooting
Common problems
Problems with the AV screen