Radioddity DB25-D - Speaker Microphone of DB40-D

Radioddity Extended manual for Radioddity DB25-D, DB40-D & GD-88 v3.0
© Radioddity 2023 page 47 of 252
5.6.3 Speaker Microphone of DB40-D
No.
Part Name
Function description and applications
1
[PTT]-key
Press and then speak in to the microphone to
transmit; Release it to receive.
2
The Speaker-
Microphone
Used to receive audio from others (Audio output
options can be set from the menu option)
3
LED indicator of
the Speaker-
Microphone
In transmitting, LED lights red; if operating on
Speaker-Microphone keypad, LED light will be always
on.
4
MIC P5
Programmable function key P5 / DTMF-Code A
5
MIC P6
Programmable function key P6 / DTMF-Code B
6
MIC P7
Programmable function key P7 / DTMF-Code C
7
MIC P8
Programmable function key P8 / DTMF-Code D
8
MIC
Speak to the microphone when pressing the [PTT]-key
to transmit; (3-5 cm away from the mouth)
9
Numerical
Keypad
Used to input frequency / channel number / DTMF-
codes, alias, ID and SMS
Notes: For convenient use, there are programmable [P]-keys for definition of various
functions.