Contents
1.
2.
Description ........................................................................................................................................9
2.1
General......................................................................................................................................9
2.2
2.3
2.4
2.5
Audio signals used ....................................................................................................................9
2.6
Sidetone ....................................................................................................................................9
2.7
2.8
3.
3.1
3.2
3.3
3.4
Range warning ........................................................................................................................11
3.5
Battery warning........................................................................................................................11
4.
End of operation ..............................................................................................................................11
5.
5.1
General....................................................................................................................................11
5.2
Operation.................................................................................................................................11
6.
6.1
General....................................................................................................................................12
6.2
7.
Headset with PTT button.................................................................................................................12
8.
Safekeeping - storage ....................................................................................................................13
9.
Recharging the batteries .................................................................................................................13
10.
Maintenance ................................................................................................................................14
10.1
Visual inspections....................................................................................................................14
10.2
Cleaning ..................................................................................................................................14
10.3
10.4
Replacing the ear cushions .....................................................................................................14
10.5
Replacing the head strap.........................................................................................................14
11.
12.
On-air subscription ......................................................................................................................15
12.1
General....................................................................................................................................15
12.2
Principle of subscription...........................................................................................................16
12.3
On-air subscription ..................................................................................................................17
2