Function of the KDC-4023/KDC-3023/KDC-2023
The faceplate of the unit can be detached and taken with you,
helping to deter theft.
Removing the Faceplate
Press the Release button.
The faceplate is unlocked, allowing you to detach it.
The faceplate is a precision piece of equipment and can be
damaged by shocks or jolts. For that reason, keep the faceplate in
its special storage case while detached.
Do not expose the faceplate or its storage case to direct sunlight
or excessive heat or humidity. Also avoid places with too much
dust or the possibility of water splashing.
Reattaching the Faceplate
1Align the projections on the unit with the grooves on the
faceplate.
2Push the faceplate in until it clicks.
The faceplate is locked in place, allowing you to use the unit.

Theft Deterrent Faceplate

Function of the KDC-4023/KDC-3023/KDC-2023
A red indicator will blink on the unit after the faceplate is
removed, warning potential thieves.
1Turn the power OFF
Press the [SRC] button for at least 1 second.
2Set the DSI
While pressing the [#1] and [#3] button, press the [SRC]
button.
Each time the step 1 and 2 operation is done the DSI turns ON or

DSI (Disabled System Indicator)

1Select the clock display
Press the [CLK] button.
2Enter clock adjustment mode
Press the [CLK] button for at least 2 seconds.
The clock display blinks.
3Adjust the hours
Press the [FM] or [AM] button.
Adjust the minutes
Press the [4] or [��] button.
4Exit clock adjustment mode
Press the [CLK] button.

Adjusting Clock

Press the [CLK] button.
Each time the button is pressed the clock display turns ON or
OFF.
When it’s ON, the clock indicator is ON.

Clock Display

General features

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