IBM 3270 Hardware User's Guide

Do the following steps in the sequence listed.
Listen for the beep each time you press the Enter
key.
1. Press 0, then Enter. You should hear one
beep after approximately 30 seconds.
2. Press Y, then Enter. You should hear one
beep after approximately 1 second.
3. Press 0, then Enter. You should hear one
beep after approximately 1 second.
4. Press 3, then 2, then Enter. You should hear
one beep after approximately 60 seconds.
Chapter 5. Locating Problems with Your PC Units 5-21

IBM 3270 Specifications

General

Brand	IBM
Model	3270
Category	Desktop
Language	English