Your Direct-Line Console

DSS Jack (underside). Used on 4424LD+®, 4424D+®, MLX-20L®, and MLX-28D®telephones for connecting a DSS. On MLX-20L and MLX-28D telephones, this jack can also be used for a PassageWay™ Direct Connect Solution or Passage- Way Solution.

Note:

The one or two DSSs (Direct Station Selectors) that attach to your 4424D+, 4424LD+, MLX-28D, or MLX-20L telephone are not shown here. See p. 2 for details.

TEL/OTHER Jack (underside) Used on an MLX-20L and an MLX-28D telephone as a connection for a Multi-Function Module.

Unlabeled Display Buttons

Press one to select the item next to it on the display.

Exit

Exit (Home on MLX-20L and MLX-28D) Press to return to the Home screen and exit the current activity. The Home screen gives calling and time-keeping information, and prompts when you need help.

Left Arrow (4424LD+ and 4424D+ only)

Press to return to previous screen.

Press to program the telephone, view messages, or select features available from the display. (See Right Arrow below.)

Right Arrow (More on MLX-20L and MLX-28D) The > appears on the screen when more information

exists. Press to advance through additional menus or to display more information about the current call or a ringing call.

Your Display Screen

Your telephone’s display is an alarm clock and timer (see p. 19),

atelephone directory (see p. 16), and a message center (see

pp. 12–15). Read the button descriptions on this page to find out how you can use your screen to locate and activate features or see who’s calling you. If you have a 2-line display, abbreviations are used on the screen. These are explained in Display Reference, pp. 28–30, as are the four display screens.

Mute

Press to turn the headset or speakerphone microphone on or off so that you can or cannot be heard by the caller.

Volume
Press or	to change the ringer loudness while the

	telephone is ringing, the handset volume while you’re	Spkr
	using the handset, the headset volume while you’re
		Press to turn the speakerphone on/off
	using the headset, or the speaker volume while you're
		for hands-free conversation during a
	using the speakerphone.
		call or when a call rings; or press to

	1	hang up a speakerphone call.

Hold

Press to put a call on hold (see p. 11).

Line Buttons

Outside, SA, and ICOM buttons (see p. 3); blank line buttons can be programmed with features (see p. 31).

•4424LD+ telephone has 24 line buttons.

•4424D+ telephone (shown) has 24 line buttons.

•MLX-28D telephone has 28 line buttons.

•MLX-20L telephone has 20 line buttons.

Message Light

The red light is lit to indicate a waiting message (see pp. 12–15).

Redial

Press to redial the last number dialed on this telephone.

Conf

Press to add a person to a conference (see p. 11).

Trnsfr

Press to send a call to another telephone (see p. 11).

!CAUTION:

To clean your telephone, unplug it from the wall jack and use a slightly dampened cloth. To prevent permanent damage, do not immerse the telephone in water or other liquid, and do not use liquid or aerosol cleaners directly on the telephone.