Troubleshooting and Testing 11
2.2.1 Before You Start
Before you run any self-test, you must either
• Install the appropriate loopback connector on the communication port,
or
• Set the terminal to local mode
You should save the current settings in set-up before you run tests. If you
are unfamiliar with set-up, see 5, ‘‘Using Set-Up’’.
• Use the arrow keys to move the cursor in all set-up screens.
• The
Enter
and
Return
keys perform the same function in all set-up
screens.
To set the terminal to local mode:
1. Press
F3
(
Alt SetUp
) to enter set-up. The Set-Up Directory screen
appears.
2. Move the cursor to the Global field. Press
Enter
. The Global Set-Up
screen appears.
3. Move the cursor to the On Line field. Press the
Enter
key to change
the setting to Local.
4. Press
F3
(
Alt SetUp
) to leave set-up. You do not need to save the
settings because they take effect when you exit set-up.
Remember to return the set-up features to their original settings after
testing.
2.2.2 How to Type an Escape Character
PC (LK443/LK444) Keyboard Only
Use the
Esc
key.
All Keyboard Models
There are three ways to type an escape (ESC) character:
• Press
Ctrl [
• Press
Ctrl 3
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