13
tone adjustment:
press the button the increase the
high tones
attention: this function is only avail-
able in combination with an activated
amplifier and the receiver
5.9 Muting the microphone:
press and hold this button during a
call to turn off the microphone
as soon as you release this button,
the microphone will be switched on
again
5.10 * and # buttons:
the and are buttons mainly used
for tele-banking:
• press the button when requested
to press the ASTERISK button
• press the button when requested
to press the POUND button
Summary of Contents for FX-3920
Page 1: ...USER S MANUAL FX 3920...