Chapter 2 71
Making Adjustments
9. CAL AMPTD Adjustment Routine
Procedure
It is recommended to complete the “CAL FREQ Adjustment Routine”
prior to performing the “CAL AMPTD Adjustment Routine.”
1. Connect the CAL OUT to the INPUT 50 Ω using a BNC cable. See
Figure 2-14.
75 Ω input: Connect the CAL OUT to the INPUT 75 Ω with the 75 Ω
BNC cable.
Figure 2-14 CAL AMPTD Adjustment Routine Setup
CAUTION Use only 75 Ω cables, connectors, or adapters on instruments equipped
with 75 Ω inputs or damage to the input connectors will occur.
2. Press the following analyzer keys.
CAL, CAL AMPTD
The CAL AMPTD routine takes approximately 5 to 7 minutes to run.
The internal adjustment data will be stored in working RAM. To
store this data in nonvolatile memory, press
CAL STORE.