Kenwood DDX512 Service Manual page 23

of the E2PROM are not cleared if the same region code is
written.
Only when the different region code is written, contents of
the E2PROM are not cleared.
Serial No. / Security code / Touch correction / HPOSI
correction / Chroma adjustment
DC Offset information / Memory function / Retailer
mode information / Service information
∗ Note: Since the above data is cleared (un-defi ned) when
the E2PROM has been replaced during the service, it is
required to re-adjust the data in the Test mode.
4.15 Security Code writing-in
• When entering the Security Code that is defi ned as a pair
of the serial number of the product (for other destinations
than K/R), use [Security Set Up] key on the Setup screen
to call the Security screen.
• Only when the Security Code of E2PROM of the product
for other destinations than K/R is blank, [Set] key is shown
and press that key.
• In the Security Code Writing screen, run the same opera-
tion as when registering Security Code in normal mode,
and press the [Enter] key to start writing.
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
TEST MODE
∗ Note: The Security Code to be entered in the above step
is the set-specifi c code linked to the serial No.
• Writing of the code is successfully completed when
"Complete" is displayed, and if "NG" is displayed, the
writing the code is unsuccessfully completed.
∗ Note: If "NG" is displayed, transfer to the Test mode again
and repeat the above process from the 1st step.
• When the Security Code is Blank, the system is turned
OFF in 30 minutes.
∗ Note: In order to turn Security Off in the product whose
destination is K/R while the Security of that product is
turned On, turn the Security off from the Setup screen,
or use the following steps to turn the Security off on the
Security Code Input screen shown when the system is
turned on: Press Tenkey 5 on the remote controller twice
→ Tenkey 2 four times → Tenkey 7 three times.
4.16 Other
• Do not operate the Back Up Memory function during the
Test mode.
• In the Test mode, the color of illumination shall be white.
• The key illumination is in white but GUI shall be the ini-
tial value, and if the color is changed by the Setup this
change of color is shown together with [GUI/] key.
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