User's Manual

SECTION III OPERATION
SM 7063 07/97 3-15
3.8.6 Viewing the Locomotive Wheel Size
To view the currently stored wheel size (diameter), press the
MENU UP
or
MENU DOWN
key until the
Function Menu Display
reads:
" Wheel Size = ##.## inches "
where ##.## is the calculated locomotive wheel diameter based on the measured mile calculation or
the value entered using the Diagnostic PC.
The allowable wheel diameter range is 34.00 inches through 46.00 inches. The CDU is shipped with a
default value of 40.00 inches.
If the CDU is configured for Metric Units, the wheel size is displayed in millimeters (mm).
3.8.7 Changing the Locomotive Wheel Size from the Front Panel
If the Configuration Item entitled
“Enable Change Wheel Size Menu Item”
is enabled, the locomotive
wheel size can be entered and stored using the
Function Keys
in a manner identical to changing the
ID Code.
To change the locomotive wheel size (diameter), press the
MENU UP
or
MENU DOWN
key until the
Function Menu Display
reads:
" Wheel Size: ##.## “ press SET"
where ##.## is the locomotive wheel diameter.
After pressing
SET
, the CDU will display:
" New Wheel Size: ##.## “ "
The allowable wheel diameter range is 34.00 inches through 46.00 inches. The CDU is shipped with a
default value of 40.00 inches. If a value outside this range is entered, the CDU will revert to the
currently stored value.
If the CDU is configured for Metric Units, the wheel size is displayed in millimeters (mm).