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•If you enter the wrong Code in steps 4 through 6, repeat from step 4.

9Exit Security Code mode Press the Search button.

Resetting the Security Code function when the audio unit is first used after removed from the battery power source or the Reset button is pressed

1Turn the power ON.2Do the step 4 through 7 operation, and enter the Security Code.

“APPROVED” is displayed. Now, you can use the unit.

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•When the Security Code function is activated, “CODE SET” changes to “CODE CLR”.

•To deactivate the Security Code function, see the next section <Deactivating Security Code>.

Function of KDC-MP443

Deactivating Security Code

To deactivate the Security Code function.

1Enter Standby

Press the [SRC] button. Select the “STANDBY” display.

2Enter Menu mode

Press the Search button for at least 1 second. “MENU” is displayed.

3Select Security Code mode Press the [FM+] or [AM–] button. Select the “CODE CLR” display.

4Enter Security Code mode

Press the [AUD] knob for at least 1 second. When “ENTER” is displayed, “CODE CLR” is also displayed.

5Select the digits to enter Press the [4] or [¢] button.

6Select the Security Code numbers Press the [FM+] or [AM–] button.

7Repeat steps 4 and 5, and complete the Security Code.
8Press the [AUD] knob for at least 3 seconds. “CLEAR” is displayed.

The Security Code function deactivates.

9Exit Security Code mode Press the Search button.

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•If a wrong security code is entered, “ERROR” is displayed. Enter a correct security code.

Auxiliary Input Display Setting

Selecting the display when changing to Auxiliary input source.

1Select Auxiliary input source Press the [SRC] button. Select the “AUX” display.

2Enter Menu mode

Press the Search button for at least 1 second. “MENU” is displayed.

3Select Auxiliary input display setting mode Press the [FM+] or [AM–] button.

Select the “NAME SET” display.

4Enter Auxiliary input display setting mode Press the [AUD] knob for at least 1 second. The presently selected Auxiliary input display is displayed.

5Select the Auxiliary input display Press the [4] or [¢] button.

Each time you push the knob, the display alternates as listed below.

•“AUX”

•“DVD”

•“PORTABLE”

•“GAME”

•“VIDEO”

•“TV”

6Exit Auxiliary input display setting mode Press the Search button.

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•When operation stops for 10 seconds, the name at that time is registered, and the Auxiliary input display setting mode closes.

•The Auxiliary input display can be set only when the built-in auxiliary input or the auxiliary input of optional KCA-S220A is used. On the KCA-S220A, “AUX EXT” is displayed by default.

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