Tektronix RFM150, Instruction Manual

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Tutorial
RFM 150 Instruction Manual 1–11
K. Carrier-to-Noise Measurements
1. Press MEAS, then press F1 to select C/N (carrier-to-noise
measurement). The C/N label should be displayed in the upper
right corner of the screen.
2. Press CHAN. This ensures that the knob is assigned to tune the
instrument by channel. It also outlines the channel number (in the
upper left corner of the screen) to show that the channel entry
mode is selected.
3. Turn the knob until the instrument is tuned to the desired channel.
4. This mode displays two measurement results. The upper portion
of the screen displays the same as the 1 channel mode (visual
carrier or average power). The lower portion of the screen
displays the carrier-to-noise ratio for the tuned channel. The two
measurement results appear in large type.
L. Hum Measurements
1. Press MEAS, then press F2 to select HUM. The HUM label
should be displayed in the upper right corner of the screen.
2. Press CHAN. This ensures that the knob is assigned to tune the
instrument by channel. It also outlines the channel number (in the
upper left corner of the screen) to show that the channel entry
mode is selected.
3. Turn the knob until the instrument is tuned to the desired channel.
4. This mode displays two measurement results. The upper portion
of the screen displays the same as the 1 channel mode (visual
carrier or average power). The lower portion of the screen
displays the peak-to-peak hum (low frequency disturbance) for
the tuned channel. The two measurement results appear in large
type.
M. FM Deviation Measurements
1. Press MEAS, then press F3 to select FM DEV. The FM DEV
label should be displayed in the upper right corner of the screen.
2. Press CHAN. This ensures that the knob is assigned to tune the
instrument by channel. It also outlines the channel number (in the
Tutorial
RFM 150 Instruction Manual 1–11
K. Carrier-to-Noise Measurements
1. Press MEAS, then press F1 to select C/N (carrier-to-noise
measurement). The C/N label should be displayed in the upper
right corner of the screen.
2. Press CHAN. This ensures that the knob is assigned to tune the
instrument by channel. It also outlines the channel number (in the
upper left corner of the screen) to show that the channel entry
mode is selected.
3. Turn the knob until the instrument is tuned to the desired channel.
4. This mode displays two measurement results. The upper portion
of the screen displays the same as the 1 channel mode (visual
carrier or average power). The lower portion of the screen
displays the carrier-to-noise ratio for the tuned channel. The two
measurement results appear in large type.
L. Hum Measurements
1. Press MEAS, then press F2 to select HUM. The HUM label
should be displayed in the upper right corner of the screen.
2. Press CHAN. This ensures that the knob is assigned to tune the
instrument by channel. It also outlines the channel number (in the
upper left corner of the screen) to show that the channel entry
mode is selected.
3. Turn the knob until the instrument is tuned to the desired channel.
4. This mode displays two measurement results. The upper portion
of the screen displays the same as the 1 channel mode (visual
carrier or average power). The lower portion of the screen
displays the peak-to-peak hum (low frequency disturbance) for
the tuned channel. The two measurement results appear in large
type.
M. FM Deviation Measurements
1. Press MEAS, then press F3 to select FM DEV. The FM DEV
label should be displayed in the upper right corner of the screen.
2. Press CHAN. This ensures that the knob is assigned to tune the
instrument by channel. It also outlines the channel number (in the