Rockwell Automation 1788 NetLinx Media Checker Users Manual - Manual (Page 11)

Preparing the MediaChecker for Use 11
1788-UM002A-US-P – April 2000
2. Turn the rotary switch to TEST, LENGTH, or WIRE
MAP.
3. Press
A
; then press
E
repeatedly until the
following display appears:
aan06f.eps
Important: If the MediaChecker has already been
calibrated to the selected cable type, “CAL”
appears on the second line of the second
display shown at power-up. This display
appears for about 3 seconds before testing
begins. To erase this calibration and use the
factory settings, remove all cables from the
MediaChecker, press
C D until “YES”
appears; then press E .
Press E anytime (except in setup mode)
to see the calibration status for the currently
selected cable.
4. Press C D until “YES” appears, and then press
E . The MediaChecker takes a few measurements
on the attached cable and displays the measured
length.
aan07f.eps
5. Press C D until the display shows the known
cable length, and then press E .
These cable parameters are stored and remain in
memory even if the MediaChecker is turned off. All future
measurements for this cable type are compared to the
new parameters until you perform a new calibration for
the cable type.