ATS R4520C, User Manual

Page: 12 / 61

Advanced Telemetry Systems, Inc. R4520C Reference User Manual R05-11A 12
1.0 FREQ - Frequency Entry Mode
Stationary Mode and Aerial Mode will not function if there are no frequencies in the table selected to scan. The
frequencies should be entered into the frequency table or tables first.
The frequencies entered in the R4520C are 6 digit numbers. For frequencies below 100 MHz, the frequencies are
entered as 5 digit numbers. For example, a frequency of 151.183 MHz will be entered as 151183. A frequency of
48.655 MHz will be entered as 48655.
From the Program menu screen, press the
“SHIFT” key followed by pressing the “FREQ” key.
Screen 1
Table # : Selects the frequency table that you will be storing your radio tags’ frequencies. There are
twelve tables available. Table 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12.
Chan Qty : The number of frequency entries you will be using for the radio tags in this table. Note the
first channel is Channel (00). There are 50 channels available for each frequency table.
After entering the Chan Qty, the screen will change to entering the frequencies.
Screen 2
(The default frequency will be the lowest frequency of the receiver)
FR1 indicates frequency table 1.
(00) represents the first frequency in the list. The next frequency will be FR1(01), and so on.
The cursor defaults to the 1 MHz position. Use the and the keys to move the cursor to the digit that
needs changing. When a number is entered in one location, the cursor will move to the right by one. Pressing
“ENTER” will store the frequency, and move to the next frequency position in the table. When all the frequencies
are entered, the screen will jump back to the Main Menu.
If you have overlapping frequencies (i.e. 148.000-151.999), move the cursor to the 10 MHz position. Then enter the
desired numeric value.
You may use the “ CHAN ” and “ CHAN ” keys at any time to scroll through the channels. These
keys can be used to make corrections or change an individual channel frequency.