Tektronix SignalScout RFM151 Instruction Manual page 65

Measurement Reference
FCC proof of performance specifications. In-service carrier-to-noise
measurements measures the noise in the guard band between
adjacent channels (out-of-band).
Tuning. You can use the knob, the numeric keypad, or the presets to
tune the instrument to the channel you want to measure. (For more
information, refer to Tuning on page 2-8 and Presets on page 3-80.)
Setting In-Service or Out-of-Service modes. Before you make a
carrier-to-noise measurement, specify whether it will be an
in-service or out-of-service measurement using the following
procedure:
1. Press the following keys to access the measurement modes menu:
UTIL-F2 (MSMT CONFIG)-F2(MSMT MODES).
2, Press Fl (C/N MODE) and use the knob to select either IN-SVC
3. If you chose out-of-service, press F2 (C/N FREQ) and use the
knob or the keyboard to specify the noise frequency offset (the
frequency offset from the visual carrier where the noise
measurement will be made). If you use the keypad, your entry
must be followed by MHz or ENTER.
Making in-service carrier-to-noise measurements,
1, Specify an in-service carrier-to-noise measurement as described
measurement screen (Figure 3-5 on page 3-16) will be displayed.
Making out-of-service carrier-to-noise measurements.
1. Specify an out-of-service carrier-to-noise measurement as
described on page 3-17.
2. Press MEAS, then press Fi (C/N). The instrument makes the
initial visual carrier measurement and displays the result and
prompt as shown in Figure 3-6.
SignalScout RFM151] RF Analyzer Instruction Manual 3-17