Plantronics C4220 User Guide - Page 13

Telephone Operations - clarity

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TELEPHONE OPERATIONS BASIC HANDSET OPERATIONS Answering Calls To answer a call press TALK. Press FLASH during a call to answer a second call. (If you have call waiting service) Making Calls To make a call, press TALK, then dial number. To end call, press TALK again, or place handset onto base. Hands-Free Speakerphone Calls Press Speaker to answer incoming calls. To make an outgoing call, press Speaker; then dial number. To change back for normal handset use, press Speaker again. To end call, press TALK. Digital Clarity PowerTM Technology With Digital Clarity Power, high frequency sounds are amplified more than low frequency sounds so words are not just louder, but clearer and easier to understand. It also provides intelligent amplification to make soft sounds audible, while keeping loud sounds bearable. BOOST On/Off The BOOST button controls the loudness of the receiver. Once the BOOST button is pressed, an extra level of amplification is added over the entire range of volume control. ANSWERING AND MAKING CALLS TALK MENU CL/FL BOOST BOOST ON/OFF BOOST 13

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TELEPHONE OPERATIONS
BASIC HANDSET OPERATIONS
Answering Calls
To answer a call press TALK.
Press FLASH during a call to answer a second call.
(If you have call waiting service)
Making Calls
To make a call, press TALK, then dial number. To end
call, press TALK again, or place handset onto base.
Hands-Free Speakerphone Calls
Press Speaker
to answer incoming calls.
To make an outgoing call, press Speaker; then dial
number. To change back for normal handset use,
press Speaker again.
To end call, press TALK.
Digital Clarity Power
TM
Technology
With Digital Clarity Power, high frequency sounds
are amplified more than low frequency sounds so
words are not just louder, but clearer and easier to
understand.
It also provides intelligent amplification
to make soft sounds audible, while keeping loud
sounds bearable.
BOOST On/Off
The BOOST button controls the loudness of the
receiver. Once the BOOST button is pressed, an extra
level of amplification is added over the entire range of
volume control.
BOOST
BOOST ON/OFF
BOOST
ANSWERING AND MAKING CALLS
TALK
MENU
CL/FL