Kenwood TK-3400 Instruction Manual page 17

Side 1 key
Press to activate its programmable function.
The default setting is [None] (no function).
• For function descriptions and details on how to change the
function of the Side 1 key, refer to "KEY ASSIGNMENT MODE"
on page 20.
Side 2 key
Press to activate its programmable function.
The default setting is [None] (no function).
• For function descriptions and details on how to change the
function of the Side 2 key, refer to "KEY ASSIGNMENT MODE"
on page 20.
Speaker/ microphone jacks
Insert the Speaker/ microphone or Headset plug into this
jack.
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