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Appendix D: M2317 telephone Page 443 of 504
Telephones and Consoles Description, Installation, and Operation
the underside of the faceplate. The Asynchronous Data Option (ADO) circuit
board, if equipped, is mounted inside the base.
Keys
The M2317 Telephone is equipped with 32 keys that are arranged as follows:
Fixed keys
These are 16 keys to which a fixed function is assigned. They consist of:
• 12 dial pad keys
• 1 Release key
• 1 Hold key
• 1 Volume control key (with 2 toggle positions)
• 1 Handsfree/Mute key (with associated LCD indicator)
Feature keys
There are 11 programmable line/feature keys on the telephone faceplate. Each
has an associated LCD indicator. Lines and features are assigned to these keys
by service changes in the system software. A maximum of ten voice Directory
Numbers and specific features such as, Auto Answerback, Call Waiting, Dial
Intercom, and Display can be assigned.
Soft keys
The M2317 telephone has five LCD-labeled soft keys located immediately
beneath the display screen. Each softkey has a seven-character-wide label on
the display screen immediately above the key. The labels change as the
available features change. For example, a softkey could access one feature in
the idle state and a different feature in the active state.
The fifth softkey “more…” is used to scroll to a second layer feature menu
when there are more softkey-assigned features available for the active
telephone state. Pressing the “more…” key brings up the labels for the
remaining functions. Softkey label positions on the display screen are fixed
by the M2317 telephone firmware and cannot be changed by the user.