Test Mode - Sony NV-U74 Service Manual

1. PREPARATION OF THE SERVICE MODE
Prepare the following before confi rming the service mode.
• Memory Stick Duo (128 MB or more)
2. OUTLINE OF THE SERVICE MODE
Necessary following function can be used by service by executing
the service mode.
1. System History
2. Exception History
3. System Version
4. Map Version
5. Status Indication
3. SETTING THE SERVICE MODE
Procedure:
1. "NAVU" folder is made for Memory Stick Duo.
2. "SERVICE_MODE.TXT" fi le is made for the above-men-
tioned folder.
3. Above-mentioned Memory Stick Duo is inserted in the main
unit, and it is started.
4. The button on the screen is displayed to touch in order of
"MENU" → " " → "General" → "V" → "V" → "V"
→ "V" → "V" → "Service Mode" → "Service Mode" to the
screen like the fi gure below.
4. OPERATION OF THE SERVICE MODE
Service mode is operated by touching the screen.
4-1. System History
STATE DATE : After the system initial starts, the
time measured with GPS is displayed.
(UTC)
ACCUMULATION TIME : Accumulation time of the main unit is
displayed.
ACCUMULATION DIST : Accumulation distance is displayed.
GPS RATE : The GPS measurement rate of the ac-
cumulation is displayed.
PRESSURE : The lowest and highest atmospheric
pressure when the navigation is used
are displayed.
SECTION 4

TEST MODE

4-2. Exception History
System log is displayed.
4-3. System Version
GPS-Firmware Version : Firmware version of GPS is displayed.
Main FW Version
4-4. Map Version
MAP VERSION FORMAT : Version of the format is displayed.
MAP VERSION NAME
MAP VERSION
MAP VERSION DB DATE : Information on the day of the dead-
MAP VERSION AREA
MAP VERSION GRADE : Grade is displayed.
MAP VERSION LIST
4-5. Status Indication
This mode is not used in servicing.
5. PREPARATION OF THE TEST MODE
Prepare the following before confi rming the test mode.
• Memory Stick Duo (128 MB or more)
• Special USB cable (Part No. J-2502-111-1)
NV-U74
: Information on DIAG, bootloader, kernel,
initrd and other systems is displayed.
: Name of the map data is displayed.
: Information on the map version is
displayed.
line on DB is displayed.
: Area code is displayed.
: List is displayed.
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