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Buttons and Indicators
MLS-34D
Display
Line/Programmable
Buttons
(32 with lights)
Intercom Buttons (2)
MLS-18D
MLS-12D/MLS-12
Display (not on MLS-12)
Programmable Buttons
(6 without lights)
Line/Programmable
Buttons
Intercom Buttons (2)
The following buttons and indicators appear on system phones:
Display.
(MLS-34D, MLS-18D, and MLS-12D only) Shows date, day, and time when phone is idle, number dialed when placing
a call, extension number (and name if programmed) calling you or transferring a call to you, and duration while a call is in
progress. When programming, shows settings, options, and prompts. (To adjust the MLS-18D display contrast, see Volume
Control Buttons.)
Line/Programmable Buttons. Used for outside lines or (if no line is assigned on a button) for programming telephone or
extension numbers, or other system features (such as Last Number Redial). When a line is assigned, you can press the line button
to make a call on a specific line (lights show status of line). When a number or feature is programmed, you can press the button
to dial the number or use the feature. The MLS-34D has 32 programmable buttons (all with lights); the MLS-18D has 16
programmable buttons (all with lights); the MLS-12D and MLS-12 have 16 programmable buttons (10 with lights); the MLS-6 and
MLC-6 phones have 4 programmable buttons (all with lights).
Intercom Buttons. Press to make (or answer) a call to (or from) another extension in the system.
Other Buttons and Indicators (shown in exploded views)
3-2
Feature (labeled “Feat” on MLC-6). Press to change programmed settings or use system features.
Conf. Press to add other parties to your call.
Transfer (labeled “Trans” on MLC-6). Press to pass a call to another extension.
Hold. Press to put a call on hold.
Learning About Telephones