Contents
1.
Important safety instructions.....................................................................................................................3
2.
Description .................................................................................................................................................5
2.1 General...................................................................................................................................................5
2.3 Audio signals used.................................................................................................................................6
2.4 Sidetone..................................................................................................................................................6
3.
On-air subscription.....................................................................................................................................6
3.1 General...................................................................................................................................................6
3.2 On-air subscription.................................................................................................................................7
4.
Commissioning and operation.................................................................................................................7
4.5 End of operation...................................................................................................................................10
5.
5.1 General.................................................................................................................................................10
5.2 Operator control...................................................................................................................................11
6.
7.
8.
Safekeeping - storage ............................................................................................................................12
9.
Recharging the batteries.........................................................................................................................13
10.
Maintenance.........................................................................................................................................13
10.1
Visual inspection ..............................................................................................................................13
10.2
Cleaning............................................................................................................................................13
10.3
10.4
Replacing the ear cushions.............................................................................................................14
11.
2