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KDC-BT742U/ KDC-X493/ KDC-MP442U
Activating Security Code
⁄
• You can set the Security Code with a 4 digit number of your
choice.
• The Security Code cannot be displayed or referenced. Make
a note of the Security Code and treasure it up.
1 Select Security Code item during Menu
mode (In Standby mode)
“SECURITY SET” is displayed.
For how to select Function Control items, refer to
<Function Control> (page 6).
2 Enter Security Code mode
Press the [AUD] knob for at least 1 second.
When “ENTER” is displayed, “CODE” is also displayed.
3 Enter Security Code
Operation type Operation
Select the digits to enter Push the [AUD] knob towards right
or left.
Select the Security Code
numbers
Turn the [AUD] knob or push it
towards up or down.
4 Confirm the Security Code
Press the [AUD] knob for at least 3 seconds.
When “RE-ENTER” is displayed, “CODE” is also
displayed.
5 Do the step 3 through 4 operation, and reenter
the Security Code.
“APPROVED” is displayed.
The Security Code function activates.
⁄
• If you enter the wrong Code in steps 3 through 4, repeat
from step 3.
6 Exit Security Code mode
Press the [SEARCH] button.
Entering Security Code
The Security Code is required to use the audio unit
when the unit is first used after removed from the
battery power source or the Reset button is pressed.
1 Turn the power ON.
2 Do the step 3 through 4 operation, and enter
the Security Code.
“APPROVED” is displayed.
Now, you can use the unit.
Deactivating Security Code
To deactivate the Security Code function.
1 Select Security Code item during Menu
mode (In Standby mode)
Select the “SECURITY CLR” display.
For how to select Function Control items, refer to
<Function Control> (page 6).
2 Enter Security Code mode
Press the [AUD] knob for at least 1 second.
When “ENTER” is displayed, “CODE” is also displayed.
3 Enter Security Code
Operation type Operation
Select the digits to enter Push the [AUD] knob towards right
or left.
Select the Security Code
numbers
Turn the [AUD] knob or push it
towards up or down.
4 Press the [AUD] knob for at least 3 seconds.
“CLEAR” is displayed.
The Security Code function deactivates.
5 Exit 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.
Other Functions