14. B. (6) Rotary Tuning Knobs
(a)
Channel Tuning
The rotary tuning knobs can change the channel number whenever
the channel selector is on.
Whenever the channel number is
changed, the mode is automatically changed to AUTO.
~ Inner Knob
The inner knob controls only the least significant digit of
the channel number.
Turning the knob clockwise will cause
the number to increase in the range from O to 9 by 1 unit.
When the number reaches 9, the next rotation will cause the
number to change to O.
Turning the knob counterclockwisewill cause the number to
decrease in the range from 9 to O by 1 unit. When the
number reaches O, the next rotation will cause the number
to change to 9.
~ Outer Knob
The outer knob changes only the most significant 2 digits.
Turning the knob clockwise will cause the number to
increase in the range from 50 to 69 by 1 unit. When the
number reaches 69, the next rotation will cause the number
to change to 50.
Turning the knob counterclockwise will
cause the number to decrease in the range from 69 to 50 by
1 unit. When the number reaches 50, the next rotation will
cause the number to change to 69.
(b) Azimuth Selector
The rotary tuning knobs can change the azimuth angle whenever
the azimuth selector is on. If the mode is AUTO when this
switch is turned, the first position change of the rotary
switch will change the mode to MAN. The next position change
of the switch will change the azimuth value.
~ Inner Knob
The inner knob will increment or decrement the azimuth
angle by 1 degree steps for each position of rotation. The
azimuth angle will rollover from 359
to 000 for an
increment and from 000 to 359
for a decrement. Clockwise
rotation will increment the display and counterclockwise
rotation will decrement the display.
22-14-00
Page 198.199
Apr 15/93
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