3-12 Amplitude Menu EVDO Signal Analyzer
3-22 PN: 10580-00235 Rev. D 3GPP2 MG
3-12 Amplitude Menu
Key Sequence: Amplitude
Scale/div: The scale can be set in 1 dB steps from 1 dB per division to
15 dB per division. The value can be changed using the keypad, the rotary
knob, or the Up/Down arrow keys.
Scale changes the y-axis scale. This applies to the Spectrum view only.
When in any other view, the display is “--”.
Power Offset: Choose power offset to automatically adjust for the loss that
occurs through any external cables, attenuators, and couplers. The power
can be offset from 0 dB to 100 dB. Press the Power Offset key, enter the
values, and press the dB submenu key.
Auto Range: Pressing this submenu key toggles between On and Off. This
function adjusts the reference level automatically when Auto Range is
activated.
Adjust Range: Pressing Adjust Range will trigger reference level detection
once and also set Auto Range to Off. The instrument will no longer
automatically trigger reference level detection. The user must press Adjust
Range to do this when necessary until Auto Range is turned back on.
Units: Select either dBm or Watts as the power unit.
Figure 3-17. EVDO Amplitude Menu
Amplitude
Power Offset
0.0 dB
Scale / div
10 dB/div
Auto Range
On Off
Adjust
Range
Unit
dBm W
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