Pioneer HD-V9000 Service Manual page 37

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Selecting DOT TEST first turns all dots on the LCD off, then displays g for each character one by one, and stops
operation when all the dots are lit.
Selecting BACK LIGHT TEST START turns the backlight of the LCD on and off repeatedly.
Selecting BACK LIGHT TEST END terminates the backlight test.
Selecting CONTRAST TEST START switches the contrast level between Min and Max repeatedly.
Selecting CONTRAST TEST END terminates the contrast test.
SD CARD
For checking the SD card access function.
When you call this screen, the mount and write-protection statuses of an SD card are displayed.
Note: Insertion or removal of an SD card while this screen is displayed is not reflected on the screen displays.
To update the displays, once exit the screen then call it again.
Screen examples
CD: Inserted
Not Inserted
WP: Protected
Not Protected
In addition, you can execute a read/write test for the SD card by selecting "SD CARD TEST START".
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The reading speed and writing speed can be measured.
(When executing SD CARD TEST, unlock the SD card and check that the remaining capacity is more than 100 MB.)
Screen examples
USB
For checking the device connected to the USB port.
Note: Connection or removal of a USB device while this screen is displayed is not reflected on the screen displays.
To update the displays, once exit the screen then call it again.
Screen examples
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None: No device is connected.
Storage: A mass storage device has been connected.
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An SD card has been mounted.
No SD card is mounted.
The SD card is locked.
The SD card is not locked. (If no SD card is mounted, "Protected" is displayed.)
Connection statuses of the upper
and lower USB ports are displayed.
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