File Extension for Temporary Files
Specifies a unique extension for temporary save files. The default extension
is .ac$.
Full-Time CRC Validation
Specifies whether a cyclic redundancy check (CRC) should be performed
each time an object is read into the drawing. CRC is an error-checking
mechanism. If your drawings are being corrupted and you suspect a hardware
problem or a software error, turn this option on.
Incremental Save Percentage
Sets the percentage of potentially wasted space in a drawing file. Full saves
eliminate wasted space. Incremental saves are faster but they increase the
size of your drawing. If you set Incremental Save Percentage to 0, every save
is a full save. For optimum performance, set the value to 50. If hard disk
space becomes an issue, set the value to 25. If you set the value to 20 or
less, performance of the SAVE and SAVEAS commands slows significantly.
(ISAVEPERCENT system variable)
Maintain a Log File
Writes the contents of the text window to a log file. To specify the location
and name of the log file, use the Files tab in the Options dialog box. You
can also set the log file location by using the LOGFILEMODE system variable.
The LOGFILENAME system variable (read-only) stores the log file name of
the current drawing.
Number of Recently Used Files to List
Controls the number of recently used files that are listed in the File menu
for quick access. Valid values are 0 to 9.
Proxy Images for Custom Objects
Controls the display of custom objects in drawings. (PROXYSHOW system
variable)
■
Do Not Show Proxy Graphics: Specifies not to display custom objects in
drawings.
■
Show Proxy Graphics: Specifies to display custom objects in drawings.
■
Show Proxy Bounding Box: Specifies to show a box in place of custom
objects in drawings.
774 | Chapter 16
Summary of Contents for AUTOCAD 2006
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