Rg Tone Button; Up Button; Down Button; Programmable Line And/Or Feature Buttons - Fujitsu CT-10 User Manual

The RG (RING) TONE button controls the
ringing tone of the telephone. There are three
types of patterns that can be set: low, medium
(default), and high. This button is valid only in
ringing state. In order to change the ringer,
adjust the button while a call is ringing at your
extension.
UP Button
The UP button increases the volume of the
handset, the speaker, and the ringer. It also
increases the LCD contrast. See Table 1 for
more information
The DOWN button decreases the volume of the
andset, the speaker, and the ringer. It also
decreases the LCD contrast. See Table 1 for
more information.
Table 1. Volwne and Contrast Controk
The CT-10 and CT-20 models have fifteen programmable line and/or
feature buttons. The CT-36 has twenty-seven programmable buttons.
These buttons have two-color lamps. See Table 2, Visual Indicators, for
further information.
Each programmable line and/or feature button can be assigned to
access a specific line or feature. Programming is accomplished by
assigning a particular feature code to one of these buttons.