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MDC 9000/MDW 9000
(Handset)
Earpiece Volume
Control Switch
(MDC 9000)
or Volume Control
(MDW 9000)
Handset
Line Buttons (4)
Display
Intercom
Buttons (2)
MDC 9000:
MDW 9000:
MDC 9000 (Base)
MDW 9000 (Base)
Mic/HFAI
(PARTNER-18D, PARTNER-18, and PARTNER-6 only). When the speaker is on, press to turn the microphone on and off. The
light next to this button shows when the microphone is turned on. To use the Hands-Free Answer on Intercom (HFAI) feature, press to
turn on the microphone when the phone is idle.
Message Light.
When changing option settings at extension 10, shows current setting. On the MDW 9000,
MSG
appears in the handset
display.
Volume Control Buttons
(PARTNER-18D, PARTNER-18, and PARTNER-6 only). Press to decrease or to increase the volume as follows:
■ To adjust ringer volume, press while the phone is idle and the handset is in the cradle.
■ To adjust speaker volume, press while listening to a call through the speaker.
■ To adjust handset volume, press while listening through the handset.
To adjust the display contrast on the PARTNER-18D phone, press [
★
] then to decrease the brightness or to increase the brightness,
while the phone is idle and the handset is in the cradle.
Earpiece Volume Control Switch (MDC 9000 Handset). To adjust handset volume, slide switch up (high) or down (low).
Volume Control (MDW 9000 Handset). Press + to increase or – to decrease volume of earpiece or ringer.
Ringer Volume Control (MDC 9000 Base). To adjust ringer volume, press ▼ or ▲ while the phone is idle.
Status Button (MDC 9000 Handset). Quickly updates the display on the handset.
On/Off Button (MDC 9000 and MDW 9000 Handset). Turns the handset on and off. (You must turn the handset on to make calls.)
Mute Button (MDW 9000 Handset). Press to have a private conversation with someone near you while on a call.
Talk Indicator (MDC 9000 Base). Lights when the handset is lifted and turned on.
Charge Indicator (MDC 9000 and MDW 9000 Base). Lights when the handset is placed on the base and the handset batteries are
charging.
Spare Charge Indicator (MDW 9000 Base). Lights when spare battery is charging.
Learning About Telephones 3-3