Table of Contents
Advertisement
98770 Environmental/Installation/PM
2-1
Chapter
2
Environmental/Installation/
Preventive Maintenance
Installation
The display assembly fits into place over the mainframe support legs. Early units did not have
locking hardware on the feet; current units do. If the hardware is there, lock it.
I
CAUTION
I
THE 98770A RELIES ON THE MAINFRAME TOP COVER FOR
WEIGHT SUPPORT. THE MAINFRAME TOP COVER MUST BE
INSTALLED BEFORE INSTALLING THE 98770A.
THE 98770A IS HEAVY (29.45 KILOGRAMS OR 65 POUNDS).
TO AVOID INJURY, ENLIST THE AID OF A SECOND PERSON
WHEN LIFTING THE 98770A. IF HELP IS NOT AVAILABLE, LIFT
FROM REAR OF THE UNIT.
Initial Tum-On
I
CAUTION
I
THE 98770A HAS NO POWER SWITCH. IT IS SWITCHED ON
VIA A RELAY WHICH IS ACTIVATED WHEN THE 9845C MAIN-
FRAME IS SWITCHED ON. ALWAYS SWITCH THE 9845C POW-
ER SWITCH TO THE OFF POSITION BEFORE CONNECTING
THE 98770A POWER CORD.
Before applying power to the computer, check the following items:
• 98770A is properly installed.
• Voltage selector switches set properly on both display and mainframe.
• Proper fuse installed in both display and mainframe.
• Power switch set to off.
• Power cords connected to both display and mainframe.
Switch the power switch on. After a 20-second (approximate) warmup time, the message
"9845 READY FOR USE" will appear on the CRT display, followed by the blinking cursor.
Adjust the intensity control located beneath the lower left corner of the CRT bezel for the
desired display intensity. If the turn-on memory test fails, "PART OF MEMORY FAILED SELF-
TEST" is displayed.
I
Advertisement
Table of Contents
