Pioneer AVIC-N2 Service Manual page 225

5
(4) Dimmer parameter setting mode
Adjustment item
Backlight output (MAX)
Backlight output(MIN)
Dimmer threshold (high)
Dimmer threshold (low)
External light point (high)
External light point (middle)
External light point (low)
Backlight point (high)
Backlight point (middle)
Backlight point (low)
Note:
The dimmer point data is memorized in the EEPROM, but not treated as a CS item.
It's because the settings are adjustable by the user.
- Dot Clock Adjustment Mode
[Operations]
. [Dot Clock adjustment mode] starting procedure
Reset start while pressing the [ENT] and [ANGLE+] Keys together.
. [Dot Clock adjustment mode] cancellation Monitor's microcomputer OFF.
. The operation after this should use Navigation's remote controller.
. [ u i ] button : Used to select a desired adjustment item in each mode.
. [ r t ] button : Used to adjust the selected item.
[EEPROM : S-93C46BR0I-J8T1]
The setting values are written in the EEPROM and then the read-out data is displayed on the screen.
WRITE and READ operations are processed by the block data of 16 bits.
[Display]
In the following figures,a large square are for OSD examples.
Dot Clock adjustment mode
Adjustment item
Clock phase adjustment
Clock phase adjustment (initial)
Common reverse output center
Common reverse output center adjustment (initial)
* CS(Check Sum)display is not performed.
5
6
Adjustment
Adjustable name
range
[0 - 255] BL MAX
[0 - 255] BL MIN
[0 - 255] REF H
[0 - 255] REF L
[0 - 255] LUM H
[0 - 255] LUM M
[0 - 255] LUM L
[0 - 255] BL H
[0 - 255] BL M
[0 - 255] BL L
Adjustment
Adjustable name
range
[0 - 15] DOT CLK
[0 - 15] [FACTORY
[0-255] COM DC
[0-255] [FACTORY
AVIC-N2/XU/UC
6
7
Settings or
written data
(DEC)
FF DIMMER
FF
FF
FF
FF
FF
FF
FF
FF
CS
FF
Settings or
written data
(DEC)
15
]
8
255
140 ]
7
8
FF
225
8
A
B
C
D
E
F