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The radio is also equipped with an internal speaker for high audio (located at the middle of the unit)
and an internal earpiece for low audio (located at the top of the unit). The audio can be routed either to
the speaker or the earpiece using the Audio Toggle menu (Menu→Setup→Audio→Audio Toggle) or
the assigned One-Touch Button.
NOTICE: For best performance speak directly into the top microphone.
Simplex Calls
When using high audio, hold your radio a vertical position with its top microphone 5–10 cm away from
your mouth. Speak into the top microphone. Listen through the internal speaker. Keep the antenna at
least 2.5 cm from your head and body.
Duplex Calls
When using low audio, hold your radio as you would a telephone. Speak into the bottom microphone.
Listen through the earpiece. Keep the antenna at least 2.5 cm from your head and body.
When radio is toggled to high audio during emergency Full Duplex Private Calls (FDPC) mode, hold
you radio a vertical position with its top microphone 5–10 cm away from your mouth. Speak into the top
microphone. Listen through the internal speaker. Keep the antenna at least 2.5 cm from your head and
body.
Lapel/Shoulder Use
For Group and Private Calls turn your head towards your shoulder/lapel, and speak directly into the top
microphone. Listen through the internal speaker.
Speakerphone Use
Place your radio 30–60 cm away from you. In a noisy environment, move the radio closer to you for
better transmission.
2.10
High or Low Audio Toggle
Your radio is able to switch from the external earpiece to the main speaker using One-Touch button
and is not required to disconnect the external earpiece or PHF.
The states of the routed audio are:
•
Speaker HIGH – indicates that audio is routed to the main speaker.
•
Speaker LOW – indicates that audio is routed to the earpiece or PHF earpiece, and not to the main
speaker.
MN004519A01-AK
Chapter 2: Getting Started
45
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