User's Manual

mode (C) and will operate at 154.6000 MHz. If this 703 was
programmed in SCRAMBLED AUDIO mode, the line would read :
S 1546000
7.) Entering your frequency is very easy. Just remember to use all
lower case letters, and follow the same letter/punctuation/and space
sequence that the transmitter reported to you on the screen.
Start by entering "f". (You will NOT have to hit the
ENTER key)
The transmitter will report the following to you on the
computer screen:
f=1
Unit is now awaiting your input for a new frequency. The number
"1" is already programmed in for you. Simply type in your new
frequency, beginning with the 'tens' digit. For example, if you
wanted to program your unit to operate at 162.4750 MHz, you would
now type the following:
624750
You must enter all 6 digits to finish the programming sequence.
Upon entering the 6th digit:
If the frequency you entered is valid, the cursor will return
to the next blank line.
If the frequency you entered is invalid, the transmitter will
report "X" following the data you entered. At this time, the original
frequency is still programmed in the unit. Type "f" again to restart
the programming sequence.
If at any time you make a mistake, you must finish the six digits,
then start the reprogramming sequence again. You can not back-
space over the incorrect entry.
You do not have to type 'MHz'. If you type anything other than
instructed, the program will report an invalid status, and you can
start again.
8.) Once your frequency is programmed, you can set your CST-703
to operate in CLEAR mode or SCRAMBLED mode (if your trans-
mitter is equipped with the optional scrambling feature.
After your frequency has been validated, type "cv" for
CLEAR mode, or type "sv" for SCRAMBLED mode.
At this point, the unit will validate your entry.
9.) After you have finished validating your entry, turn off your
transmitter, disconnect the cables, and close the computer program.
IMPORTANT:
1.) If computer interface is not COM 1, you must select the correct
Com port as described in the instruction.
2.) The separation between the two transmit channels must be:
Greater than or equal to 12.5 kHz
3.) Frequencies must be in 12.5 kHz steps.
Your frequency must end in any of the following configurations:
xxx.0000
xxx.0125
xxx.0250
xxx.0375
xxx.0500
xxx.0625
xxx.0750
xxx.0875
xxx.1000
4.) The transmitter must be ON in order to program it.
5.) Turn OFF the transmitter when finished programming.