Triton Isis - Manual (Page 304)

June 2004 Isis® Sonar User's Manual, Volume 1 290
The troubleshooting chart shown in Table 12-1 covers some problems you might
encounter in Isis and their possible remedies. This chart has been developed
from records of past repair activities as well as the logical cause and effect
relationship associated with possible problems that could occur in the future.
Table 12-1. Troubleshooting problems and ways to solve them
Symptom Additional
Conditions Error Message Possible Cause;
Possible Solution
You suspect
you’re getting
messages from
Isis, but you can’t
see them. You can’t scroll
horizontally to
see more of
your screen to
the left or right. none, although
you might hear a
beep signaling
the presence of
information “off
screen” Your monitor is not using
virtual resolution; use your
Windows software to set
the monitor for virtual
resolution.
In the Place Windows
function of your graphics
utility program, select virtual
resolution placement. When
you do, the on-screen token
of your monitor will straddle
the “real” and “virtual”
resolution areas.
Three tones
during startup “Bad Cache” or
“Cache RAM
Error”
CPU cache chips poorly
seated; press firmly on the
four cache chips.
Chapter 12: Maintenance and Troubleshooting