4-12 ApexPro™ 2001989-351A
Maintenance
a. Press SPAN.
b. Type in 50, press kHz and press ENTER.
12. Set the marker to the peak signal.
a. Press MARKER.
b. Press F3 - SET MARKER.
c. Select Peak and press ENTER.
d. The center maximum peak should be selected.
13. If necessary, set the center frequency to be the same as the marker frequency.
a. Press MARKER.
b. Press F3 - SET MARKER.
c. Select CENTER=MKR FREQ and press ENTER.
14. Set span to 1 kHz.
a. Press SPAN.
b. Type 1, press kHz and press Enter.
15. Set the resolution bandwidth to 100 Hz.
a. Press BW.
b. Press F1 - MANUAL RES BW.
c. Type 100, press Hz and press Enter.
16. Reset the marker to the peak signal.
a. Press MARKER.
b. Press F3 - SET MARKER.
c. Select Peak and press ENTER.
d. The center maximum peak should be selected.
17. Record the frequency of the marker:
Measured frequency: ____________
18. Subtract the transmitter target frequency (Determine target frequency on page 4-
10) from the measured frequency (step 17) and record the value:
________________ - _____________ = ________________
Measured frequency - Target frequency = Frequency difference
NOTE
Multiply MHz by 1000000 (one followed by six zeros) to convert to Hz.
19. Follow the appropriate steps for the transmitter being calibrated.
a. For ApexPro and ApexPro CH transmitters
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