Radio Shack ET-1755 - Manual (Page 8)

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To switch from the handset to the speakerphone at any time
during a call, press
SPEAKER/HEADSET so the SPEAKER
indicator lights.
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To switch from the speakerphone to the handset, just lift the
handset. The SPEAKER indicator turns off.
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You can set any of two different volume levels (high, low) for
the handset or headset, or eight volume levels for the
speakerphone. To increase or decrease the volume when
using the handset, speakerphone or connected headset,
repeatedly press
VOLUME
Vý
or
W
.
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You can quickly redial the last number dialed (up to 32
digits) from the selected line.
To use redial with the handset, lift the handset and press the
desired line’s button, then press
REDIAL .
To use redial with the speakerphone, press SPEAKER/
HEADSET , press the desired line’s button, then press
REDIAL .
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FLASH performs the electronic equivalent of a switch-hook
signal for special phone services, such as Call Waiting. If
you have Call Waiting, press
FLASH to take an incoming call
without disconnecting the current call. Press FLASH again to
return to the first call.
±
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During a call, press MUTE to talk to someone else in the
room without the person on the other end of the line hearing
your conversation. The MUTE indicator lights and the
microphone turns off, but you can still hear the calling party.
Press
MUTE again to resume your conversation.
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• If background noise interferes
with the speakerphone’s
operation, press MUTE to turn
off the base’s microphone while
the other party is speaking (see
“Using MUTE” on Page 8).
• You cannot use the
speakerphone with a headset
connected to the phone (see
“Using an Optional Headset” on
Page 11).
• The speakerphone does not
operate without AC power. You
cannot operate it during a power
failure.
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• The handset and headset
volume are preset to the low
volume level, and the
speakerphone volume is preset
to the fifth volume level.
• The phone beeps once each
time it reach the highest or
lowest volume level while using
the speakerphone.
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±
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• When you redial a phone
number that includes a FLASH
entry, the phone only redials the
numbers you pressed before
FLASH.
• If you do not have any special
phone services, pressing
FLASH might disconnect the
current call.