7.8. MENU
The Menu function key is used for accessing the menu system.
7.9. ZONE, CHANNEL, CONTACT AND MUTE
These are specific functions that provide direct access to the ‘Channel’, ‘Zone’,
‘Contact’ and ‘Mute Adjust’ menus.
7.10. RESET
The Reset function is usually assigned to the F6 key, and is used as a cancel function
when in a menu or as a backspace when entering keypad dial-strings.
7.11. SPEAKER MUTE
The speaker mute function key will mute the audio output to the speaker. Pressing the
function button again will again allow audio to be heard at the speaker.
7.12. DIGITAL OUTPUT
This function provides a general purpose output port for muting entertainment
systems. The defined key allows this function to be enabled or cancelled when
activated by another function (i.e. incoming call).
7.13. UNDEFINED
No function is assigned to the relevant key.
Doc Number: TNM--U-E-0108 ISSUE 1.5 Page 60