ADI Systems AT-201 - Manual (Page 15)

1 Setting an Operating Frequency
0 With a rotary channel selector
You can change the operating (transmit and/or receive)
frequency by rotating the rotary channel selector. As the
selector rotated, the displayed frequency changes in
10kHz steps. It changes in 1MHz steps when rotated with
the function button held depressed.
• Although the channel step is initially set to 10kHz at the
factory,you may use any one of six options, 5, 10,12.5, 20,
25 and 50kHz. How to select the channel step is outlined
under "Changing the Channel Step”, contents.
0 With buttons on the front panel
You can change the operating frequency with numeral
buttons of “0” to “9”.
( Procedure )
Example:To set 145.80MHz
a) a 10MHz figure..................press”4”
[14] will be displayed.
b) a MHz figure......................press”5”
[145] will be displayed.
c) a 100kHz figure.................press”8”
[145.8] will be displayed.
d) a 10kHz figure.................. press”0”
[145.80] will be displayed.
( Procedure)
Rotate the rotary channel selector clockwise to increase the
displayed frequency and counter clockwise to decrease it.
(information)
• The frequency step rate as the selector rotated is referred
to as a channel step.
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