MSA HandyCom PTT Manual De Instrucciones página 8

Use
The device is made of impact-resistant synthetic material. Its
cable and housing are water-resistant, low-flammable and self-
extinguishing. It has a clothing clip, two PTT (Push-To-Talk)
buttons, a 3,5 mm jack socket and a jack socket for Nexus
plugs for connecting an external headphone or earphone as
well as an external headset. A separate emergency button is
available optionally. Both PTT buttons are connected in parallel
and have the same effect. The optimum distance for talking is
about 4 cm away. The radio set remains in transmit mode as
long as a PTT button is pressed. While an external earphone
or headset is connected, the loudspeaker or the loudspeaker,
microphone and earphone socket of the device remain off. The
clothing clip can be replaced by a button hook for the use in
vehicles.
3. Use
3.1. Volume Adjustment
You can use the volume control to adjust the volume in three
levels. The setting marked by the one dot gives the lowest
volume and the setting marked by the three dots gives the
highest volume.
(1) Adjust the volume to the level you require.
GB
8
 The volume adjustment also applies to external
earphones and headsets.
HandyCom PTT