Sony ICD-U50 Service Manual page 11

[How to operate the test mode]
1. [Model and version number] screen
1. This screen appears when the unit enters the test mode. This
screen shows the model name and the system controller version
number.
2. Press the > key to move to the next item (LCD display
check).
2. [LCD] display screen
1. Press the NX , STOP , . , > key to turn ON or
OFF of all elements of the LCD.
2. Press the > key to move to the next item (Battery voltage
check) from the [LCD] display screen, or press the . key
to return to the previous item [Model and version number]
screen.
3. [BATTERY] (Battery voltage check) screen
1. Press the NX key on the [BATTERY] screen to check the
battery output voltage to the system controller, and the resultant
voltage is displayed. Press the STOP key to return to the
[BATTERY] screen.
2. Press the > key on the [BATTERY] screen to move to the
next item [MEMORY INIT] or press the . key to return
to the previous item [LCD] display screen.
4. [MEMORY INIT] (Flash memory initialize) screen
1. Press the NX key on the [MEMORY INIT] screen to start
formatting and initialization of the NAND flash memory. When
formatting and initialization of the NAND flash memory are
started, all menu items (including watch setting) of the MENU
information are initialized, and ALL ERASE of all folders are
executed.
When formatting and initialization have ended with success,
[INT OK] is displayed. When formatting and initialization have
ended with failure, [INT NG] is displayed.
Press the STOP key to return to the [MEMORY INIT] screen.
2. Press the > key on the [MEMORY INIT] screen to return
to the initial screen of [Model and version number]. Press the
> key to return to the previous item [BATTERY] display
screen.
ICD-U50/U60/U70
11