User Manual

ACD1 Owner’s Manual
15
Troubleshooting
Initializing the internal memory
You can initialize the ACD1’s internal memory.
• The log data is preserved even if you execute initialization.
• When you initialize the internal memory, the content that had been saved in memory (scenes for each amp, and ACD1
settings) will be lost.
Use caution when performing the following steps.
1. Power-off the ACD1.
2. While holding down the [BACK] button, turn the power on.
3. Press the [▲INC/YES] button to initialize the internal memory.
When initialization is completed, the ACD1 will automatically restart.
• During initialization, the message “Do not turn off!” will be shown in the display.
Never power-off the amplifier while this message is displayed.
Symptom Possible causes Response
All scene data saved in the
ACD1 has disappeared.
The power was turned off while the
ACD1’s data was being saved.
Synchronize with Amp Editor once again to transmit the set-
tings from Amp Editor.
The backup battery has run down. Check [5.Utility] → [Battery] for the state of the backup bat-
tery. If the state shows any message other than “OK,” ask
qualified Yamaha service personnel to replace the backup
battery.
An alert message is displayed. An incorrect or abnormal connec-
tion with the amplifier or other alert
event related to the connections
has occurred.
For details on the meaning of each alert message and the
appropriate measures to take, refer to the Amp Editor
Owner’s Manual.
Panel operations are not
accepted.
The unit is locked. For details, refer to “5.Utility” in the ACD1 reference manual.
A scene can be saved but not
recalled.
“Scene Recall” is set to “Disable.” Access [5.Utility], then [SceneRecall] and set it to “Enable.”
The LCD is not backlit. “LCD Backlight” is set to “Auto
OFF.”
To set the unit so that the LCD remains backlit at all times,
access [5.Utility], then [LCD Backlight] and set it to “ON.”
NOTE
CAUTION
CAUTION