DEC 4000 600 series, Owner'S Manual, Page: 39 / 242

Using the Operator Control Panel
Invoke console mode as follows:
Step Action
1 Press the Halt button on the front of the system to
the in position or do one of the following:
• If the tta0_halts environment variable is set
to 4 or 6, enter
Break
on the console terminal
keyboard.
• If the tta0_halts environment variable is set
to 2 or 6, press Ctrl/P on the console terminal
keyboard.
The console mode prompt is displayed on the console
terminal:
>>>
2 The system is now in console mode. You can begin
entering console commands.
3 If you invoked console mode by pressing the Halt
button to the in position, press the Halt button to the
out position.
4 To return to operating system mode, enter the
continue
command at the console prompt.
If the system does not respond to the continue
command, reboot by entering the
boot
command at
the console prompt.
For general information about console mode, refer to Chapter 2.
For information about setting environment variables, refer to
Chapter 4.
Getting Started 1–19