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Security (KDC-W4531/W4531Y only)
• How to enter the forced POWER ON mode
While "– – – –" is being displayed, while simultaneously
pressing "Q" key and "4" key, press "RESET" button, With
this, it is possible to turn the power on for 30 minutes only.
• How to register the security code on the "Car
Audio Passport" sheet after replacing E2PROM
(IC11)
1. Enter the test mode. (Refer to "How to enter the test mode".)
2. In the test mode, press "MENU" key to enter the MENU
mode.
When "SECURITY" is displayed, press "
than 1 second) to enter the security registration mode.
3. Input the security code, using "FM" / "AM" / "
keys.
"FM" key : number up / "AM" key : number down
"
" key : cursor to right / "
4. After inputting the code, press "
more which causes "RE-ENTER" to be displayed. This is
for "confirming" the code. Use the method in above No. "3"
to re-enter the code.
5. Then, press "
" key for 3 seconds or more, which will dis-
play "APPROVED". This completes the security code regis-
tration.
6. Release the test mode. (Refer to "How to release the test
mode" .)
* All clear cannot be used to clear the security code.
SPECIAL MODE
" key (for less
" / "
"
" key : cursor to left
" key for 3 seconds or
KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
DC offset error detection confirmation mode
Confirmation mode :
While depressing PRESET "3" key and PRESET "6" key
simultaneously, press on the "RESET" button.
(Display) Detected : DC _ ERR _ _
Not detected : DC _ OK _ _ _
* By pressing "TI" or "AUTO" key while "DC _ ERR _ _" is
being displayed, detection status is cleared. This will result
in the display of "DC _ OK _ _ _".
Release Method : Press "RESET" button.
Mechanism memory clear confirmation mode
Confirmation mode :
While depressing "ATT" key and "Q" key simultaneously,
press "RESET" button.
(Display) : MEM _ CLR _
* 2 seconds after the confirmation mode boots up, Mecha-
nism memory clear as a result is displayed.
(Display) Clear status display normal completion
: CD _ O _ _ _
Clear status display abnormal completion
: CD _ X _ _ _
Release Method : Press "RESET" button.
11
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