AT&T Partner II - Manual (Page 99)

MLS-6
Line/Programmable
Buttons (4)
Primary Line Button
Intercom Buttons (2)
MLC-6
Earpiece Volume
Control
Line/Programmable
Buttons
Primary Line Button
Intercom Buttons
Hold. Press to put a call on hold.
Spkr (Speaker) (all models except the MLC-6). Press to dial without lifting the handset. Turns on speaker and microphone (if available),
so you can have a conversation without lifting the handset.
Mic (Microphone) (MLS-34D, MLS-12D, and MLS-12 only). 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. Leave on to use Hands-Free Answer on Intercom feature
(see Appendix B).
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.
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.
Using Telephones 6-5