1.Connect the cable TV analyzer CAL OUT to the INPUT 75 Q and press the (PRESET) key.
2.Set the center frequency by pressing the following keys:
3.Set the span by pressing the following keys: m), 20 [MHz).
4.The calibration signal is 20 dB (two graticule divisions) below the top of the screen using these cable TV analyzer settings. If desired, adjust the reference level: press @ZiZG@ to activate the reference level, and use the knob or step keys to change the reference level.
5.Determine the amplitude and frequency of the signal. You can either press (PEAK SEARCH] or press (MKR) and move the marker to the signal peak. Read the amplitude and frequency. The display screen should look like the one in Figure
(g: 33: 00 JUL 29. 1993
MKR 300.05 MHz
MARKER
NEXT
PEAK
NEXT PK
RIGHT
NEXT PK
LEFT
I | CENTER 300.00 MHz |
| SPAN | 20.00 | MHz |
RES BW 100 kHz | mw 30 kHL | SWP | 20.0 | msec |
Figure 2.6. Reading the Amplitude and Frequency