Kenwood KVT-920DVD Manuale Utente

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If you press the RESET button or remove the
battery: 
The first time you turn the unit on again, “The
system in now waiting for your MASK KEY signal.
Please input now.” will appear in the display,
indicating the setting mode has been entered.
Repeat steps 1 and 2 above, and transmit the
signal.
You can start operating the unit again when "OK"
appears in the display.
Cancelling the Code Security Screen
Touch [ RTN ] to return to the setup screen.
Mask Key 
If you have transmitted the Mask Key's signal
once to the unit in advance, you will have to
transmit it once again if the unit has been
removed from the battery. This function helps
prevent theft.
When using the unit for the first time:
Hold down the transmit button on the Mask
key until the full transmit level indicator lights
up in the display.“1st” will be displayed.
Keep the Mask Key close to the signal sensor
when you transmit the Mask Key signal.
Hold down the transmit button on the Mask
key until the full transmit level indicator lights
up in the display.“2nd” will be displayed.
"OK" will appear in the display, with the Mask
Key function turning on.
2
NOTE
Transmit button
Transmission part
1
Code Security Function
Code Security Screen
A
A