Kenwood NX-3000 Série Guide De L'utilisateur page 23

L 4-way D-pad (Full Button Model/ Standard Button Model)
Press to activate its programmable function.
[H] : The default setting is [None].
[I] : The default setting is [None].
[J] : The default setting is [Zone Up].
[K] : The default setting is [Zone Down].
M [ ] button
Press to activate its programmable function. The default button setting
is [None].
N [ ] button
Press to activate its programmable function. The default button setting
is [Clear].
O Keypad (Full button model only)
Press the buttons on the keypad to send DTMF tones. The keypad
buttons can also be programmed with secondary functions if a
programmable function button is programmed as Function.
For details on programming functions to the buttons on your
transceiver, please contact your dealer or refer to the "User
Manual" available from the following URL.
http://manual.kenwood.com/en_contents/search/keyword
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