Leica Rugby 55 User Manual page 46

Accuracy Adjustment
To enter adjustment mode for the Z-axis, perform the following
steps:
• Turn the power off and place the Rugby in the laydown position.
• With power off, press and hold both the LEFT and RIGHT arrow buttons,
then press the ON button. The active axis is the Z-axis.
• If done correctly, the following sequence of events will occur:
1. The X and Y-axis LED's will flash alternately three times.
2. The X-axis LED will flash three times, then flash slowly until level.
3. The Y-axis LED will be off.
4. When leveled, the X-axis LED will turn ON (not blinking).
Z
Rugby 55 6-9