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RC4600 ACU Board Set
Chapter 1
Introduction
The DIFFERENCE field shows the value obtained by subtracting the CURRENT HEADING from the
ACTUAL HEADING. This difference should reflect the error in the mount's true heading. Pushing the
<BKSP> key will apply the difference to the mount's heading for use in subsequent LOCATE operations.
NOTE: to make this "fixed heading" persist through the next powering down of the RC4600, the mount's
position would need to be "saved" via the POSITION mode. If the difference is applied, the RC4600 will
proceed to the POSITION screen.
If the user is unsure that applying the difference is the correct thing to do, pressing the <Mode> key will
return the RC4600 to the MANUAL mode.
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