OPERATION
3-1-25
Fig. 3-1-20 REF selected
The AM depth of the 9960 Hz sub-carrier and the 30 Hz tone can be varied
simultaneously by pressing the
[Enable Coupling]
key which produces the display shown in
Fig. 3-1-21.
Fig. 3-1-21 VOR made operation with "Coupling" enabled
When "coupling" is enabled, the 30 Hz AM depth is set to be equal to the 9960 Hz sub-
carrier AM depth setting as the sub-carrier depth is varied. Similarly, the sub-carrier depth is set
to the 30 Hz tone depth when the 30 Hz tone depth is varied. This mode of operation is disabled
by pressing the
[Disable Coupling]
key.