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Before You Begin
Safety and Performance
Safety
Warning
Cisco IP Phone 7970 Administration Guide for Cisco CallManager 3.3
3-6
microphones that are designed for personal computers and that meet the
guidelines described in the
section on page
3-8.
For the best performance from an external microphone, follow these guidelines:
Use a noise-cancelling or a unidirectional microphone.
•
If you are using external speakers, place the microphone at least 1 ft. (30 cm)
•
away from the speakers and to the front of the speakers.
For best voice quality, keep the microphone within 2 ft. (1/2 meter) of the
•
person who is talking into it.
Place the microphone in a convenient location, such as the upper corner of a
•
computer monitor or on a desk stand.
To use an external microphone, you must configure the appropriate setting on the
Microphones menu on the phone (choose Settings > User Preferences > Audio
Preferences > Microphones). For more information, refer to the Help available
on the phone via the ? button.
The following sections include important safety and performance information that
you should review before you install and use your Cisco IP Phone:
•
Safety, page 3-6
Using External Devices with Your Cisco IP Phone, page 3-8
•
Review the following warnings before installing the Cisco IP Phone 7970. To see
translations of these warnings, refer to the Regulatory Compliance and Safety
Information for the Cisco IP Phone 7900 Series document that accompanied this
device.
Read the installation instructions before you connect the system to its power
source.
Chapter 3
"Using External Devices with Your Cisco IP Phone"
Setting Up the Cisco IP Phone
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