5: Function Reference
F
= ASCII character F.
DISABLE
= ASCII character string "DISABLE" to disable J3 as input port
FREQ
MEAS
= ASCII character string "FREQ MEAS" to set J3 to make frequency measurements
<S>
= ASCII space character one or more.
<FREQ>
= FREQ MEAS Input Frequency: 1MHZ, 5MHZ, 10MHZ
<IMP>
= Input Impedance: 1 KΩ or 50 Ω
<INT>
=
Frequency Measurement Interval. This is the gate time of the measurement.
Range: [000001, 999999] in seconds.
<CR><LF>
=
line terminator, either a carriage return and line feed for output strings or a carriage
return only for input strings.
For example, enter:
F113<CR>
The XL-GPS displays the current configuration (example):
F113 DISABLE<CR><LF>
Or
F113 FREQ MEAS 1MHZ 50 000001<CR><LF>
To set the J3 Input Configuration, enter a character string using the same formats as the
preceding XL-GPS responses. Only valid values are accepted.
To disable F113, enter:
F113 DISABLE<CR>
Or, to enable Freq Meas of a 1 MHz input with a 50 W input impedance every 1 seconds,
enter:
F113 FREQ MEAS 1MHZ 50 1<CR>
To all three of the above examples, XL-GPS responds:
OK<CR><LF>
If enabling Freq Meas, display the Freq Meas measurements using the following format:
F113<S>SHOW<CR>
Page 140 of 221 .................................098-00116-000 Rev. A
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