Eeprom Adjustment - Pioneer AVIC-D3/XU/UC Service Manual

5

6.5 EEPROM ADJUSTMENT

[Operational specifications]
• Method1
If the monitor microcomputer is reset by double pressing of the SOURCE key + the [|<<] key, the following screen will
be displayed on the OSD.
0
0
P
8
At this time, if the keys are pressed in the order of |<<
the [Flicker adjustment mode].
• Method2
If the monitor microcomputer is reset while the [EPRTEST] terminal is set to Low, the system will proceed
to [Flicker adjustment mode].
(You can get the same result by resetting, but it is not recommended as you will lose the user data.)
*) When the succession is made by the terminal, the OSD display screen below will not be displayed.
• The key operations under this test mode are as follows.
(1): Main body key
Key
SOURCE
Page turning
MENU
Upward search of selection item If pressed when the cursor is pointing the top item in a page, the cursor will move to the lowest item.
MAP
Downward search of selection item If pressed when the cursor is pointing the lowest item in a page, the cursor will move to the top item.
|<<
Adjustment value DOWN on the selected item
>>|
Adjustment value UP on the selected item
(2): Remote controller key (CXC6317 SW1 : AVH, SW2 : AVH)
Key
MENU
Page turning
Upward search of selection item
Downward search of selection item
Adjustment value UP on the selected item
Adjustment value DOWN on the selected item
• A method to cancel [E2PROM adjust mode] is described below.
ACC OFF ON. (BUP OFF
*) The preset value is first written in the EEPROM, then read out and displayed.
Writing and reading are made in 16 bits. Depending on the setting item, the number of bit may be different.
*) When a value subject to CS (check sum) computation is changed, it takes the exclusive (XOR) in 8 bit,
and conducts writing.
This CS value, too, is read out after being written into the EEPROM, and that read out value is displayed.
5
6
L E A S E P U S
Operation
The screen succeeds in the order of [Flicker adjustment mode] [Line adjustment mode1]
[Line adjustment mode2] [Flicker adjustment mode].
Operation
The screen succeeds in the order of [Flicker adjustment mode] [Line adjustment mode1]
[Line adjustment mode2] [Flicker adjustment mode].
If pressed when the cursor is pointing the lowest item in a page, the cursor will move to the top item.
If pressed when the cursor is pointing the top item in a page, the cursor will move to the lowest item.
ON will do too.)
6
7
H T H E [
MENU >>| MAP, the system will proceed to
AVIC-D3/XU/UC
7
8
R E S E T ]
Remarks
Remarks
8
A
31
B
C
D
E
F
207