Instruction manual

MLS-6
Line/Programmable
Buttons(4)
Intercom Buttons (2)
MLC-6
Earpiece Volume
Control
Line/Programmable
Buttons
Intercom Buttons
Spkr (Speaker) (all models except the MLC-6). Press to talk without lifting the handset. Turn on speaker and microphone (if
available), so you can dial or have a conversation without lifting the handset.
Mic (Microphone) (MLS-34D, MLS-18D, MLS-12D, and MLS-12 only). Leave on to use Hands-Free Answer on Intercom (HFAI)
feature. The light next to this button shows when the microphone is turned on; press this button to turn off the microphone when you
are using the built-in speaker.
Message Indicator. Lights when someone signals you with the Message Light On feature.
Volume Control Buttons. Press
▼ to decrease or ▲ to increase the volume of the ringer, speaker, and handset:
■ To adjust ringer volume, press ▼ or ▲ while the phone is idle and the handset is on the phone.
■ To adjust speaker volume, press ▼ or ▲ while listening to a call through the speaker.
■ To adjust handset volume, press ▼ or ▲ while listening through the handset.
To adjust the display contrast on the MLS-18D phone, press [ ★ ] and then ▼ to decrease the brightness or ▲ to increase the brightness,
while the phone is idle and the handset is in the cradle.
On/Off (MLC-6 only). Turns the handset on and off. (You must turn the handset on to make calls.)
Status (MLC-6 only). Quickly updates the display on the MLC-6 handset.
Talk (MLC-6 only). Lights when handset is lifted and turned on.
Charge (MLC-6 only). Lights when handset is placed on the base and handset batteries are charging.
Learning About Telephones 3-3