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Appendix C: Performance Verification

P ro c e d u re s These procedures check aii characteristics in Appendix B except those

marked not checked. Be sure you have read General Information on page

A-25, including Limits and Tolerances before doing these procedures.

For a list of each check and the page number on which it is found, see the

Performance Verification entries in the index at the rear of this manual.

initial Setup Procedure

Before performing any procedures, note the following items;

* It is not necessary to remove the instrument cover to accomplish any

procedure in this Performance Verification, since all checks are made

using operator-accessible front- and rear-panel controls and connectors.

■ To make accurate display adjustments and checks, you want a stable,

well-focused, low-intensity display. Therefore, unless otherwise noted,

adjust the INTENSITY, STORAGE/READOUT INTENSITY, FOCUS, and

Trigger LEVEL control as needed to view the display when performing

procedures.

Before doing the procedures that follow, perform these four steps to ensure

performance accuracies for the digital portion of the instrument. Perfor

mance of the Factory Reset routine sets the digital part of the instrument to

factory default settings.

Procedure Steps:

F I Step 1: Power on the instrument and allow it to warm up 20 minutes

before doing the procedures that follow.

Q Step 2: Press the Setup ADV FUNCT button to display the Advanced

Functions setup menu.

□ Step 3: Press the Fact. Reset menu button to set the instrument to

factory default settings.

f l Step 4: Return the instrument to display mode by pressing the Setup

ADV FUNCT button a second time.

Vertical System Checks

These procedures check those characteristics that relate to the vertical

system and that are listed as checked in Appendix B of this manual.

Equipment Required (see Table A-7):

Calibration Generator 50 D BNC Precision

Cable

Leveled Sine Wave Generator Dual-Input Coupler

Pulse Generator 50 Q BNC Termination

A-28

Appendices

Tektronix 2221A User Manual

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