User guide

38
English
UTILITIES
DTMF
DTMF means Dual Tone Multi Frequency and
is used when the radio is required to operate in
a radio system with an interface to telephone
systems.
Yo u c a n sw i t c h On or Off Permanent DTMF
Mode by using a pre-programmed DTMF
button or via the menu, please refer to page
26.
Note: Youmustbeusingakeypadmicrophoneto
perform DTMFcalls.