Operational Check - Keysight N9923A Service Manual

Tests and Adjustments

Operational Check

Operational Check
1. Preset the instrument, press Preset (.) > Preset.
2. Leave the PORT 1 and Port 2 connectors open.
3. Press: Scale/Amptd > Ref Pos > 2 > Enter
4. Press: Scale > 1 > Enter
5. The trace should be between -1 and +1 dB. (S11 is displayed.)
6. Press: Measure
7. If the S22 soft key exists, press it to display S22.
If the operational check fails, allow the instrument to warm up for 15
minutes and try again.
3-6
a. The trace should be between -1 and +1 dB.
Keysight N9923A Service Guide