La description

tactical field telephone, military telephones,
2.1 Working mode switch
The telephone has 2 working mode: LB and CB, rotating the switch to the right
position as requested.
2.2 Speech Volume Switch
It has 3 positions: I、II and OFF. The switch is always on the position of OFF, the
user can rotate the switch to I or II according to the actual demand.
2.3 Ring Volume Switch
Ring Volume Switch has 3 positions: H, M, L. user just need to rotate the switch
to the right position according to the actual demand.