International Communications Group Sigma7, Руководство пользователя и инструкция по установке, Страница: 22 / 62

International Communications Group, Inc.
User’s Guide and Installation Manual
Sigma
7
Aviation Telephone Handset
Sigma
7
4
April 2006
Use or disclosure of information on this page is subject to the restrictions in the proprietary notice of this document.
n
To reduce volume, press the
6
while the telephone is off hook. Minimum attenuation is earpiece
level 0 in the LCD display. The audio level only applies to each call and is reset to the default
(configurable) level when the handset is returned to its cradle.