Radioddity DB25-D - Speaker Microphone of DB25-D

Radioddity Extended manual for Radioddity DB25-D, DB40-D & GD-88 v3.0
© Radioddity 2023 page 43 of 252
5.5.4 Speaker Microphone of DB25-D
No.
Part Name
Function description and applications
21
The Speaker-
Microphone
Used to receive audio from others (Audio output
options can be set from the menu option)
22
[PTT]-key
Press and then speak in to the microphone to
transmit; Release it to receive.
23
Numerical
Keypad
Used to input frequency / channel number / DTMF-
code, alias, ID and SMS
24
MIC
Speak to the microphone when pressing the [PTT]-key
to transmit; (3-5 cm away from the mouth)
25
LED indicator of
the Speaker-
Microphone
In transmitting, LED lights red; if operating on
Speaker-Microphone keypad, LED light will be always
on.
26
MIC P4
Programmable function key 4 / DTMF-Code A
27
MIC P5
Programmable function key 5 / DTMF-Code B
28
MIC P6
Programmable function key 6 / DTMF-Code C
29
MIC P7
Programmable function key 7 / DTMF-Code D
Notes: For convenient use, there are programmable [P]-keys for definition of various
functions.