12!1!1!1!1!1 Side 2 keyPress to activate its programmable function {page 15}.Acts as an Up key for certain transceiver settings.!2!2!2!2!2 Side 3 keyPress to activate its programmable function {page 15}.Acts as a Down key for certain transceiver settings.!3!3!3!3!3 Display (K2 and K3 models only)Refer to the display on page 13.!4!4!4!4!4 A key (K2 and K3 models only)Press to activate its programmable function {page 15}.The programmed name appears on the bottom of thedisplay.!5!5!5!5!5 B key (K2 and K3 models only)Press to activate its programmable function {page 15}.The programmed name appears on the bottom of thedisplay.!6!6!6!6!6 Press to activate its programmable function {page 15}.The programmed name appears on the bottom of thedisplay. Also acts as a Down key for certain transceiversettings.!7!7!7!7!7 D> key (K2 and K3 models only)Press to activate its programmable function {page 15}.The programmed name appears on the bottom of thedisplay. Also acts as an Up key for certain transceiversettings.!8!8!8!8!8 Keypad (K3 models only)Press the keys on the keypad to send DTMF tones or thekeypad keys can also be programmed with the functionslisted on page 15 if one of the other programmablefunction keys is programmed as Function.!9!9!9!9!9 Universal connectorConnect the (optional) speaker/ microphone here.Otherwise, keep the supplied cap in place.