TA Instruments RSA-G2, Manual

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RSA-G2 Getting Started Guide Page 50
6 Front-to-back adjustment : Turn the left-front leveler in either direction until the bubble is centered
within the circle. Viewing the level from the left or right side of the instrument, extend both front levelers
equally until the level’s air bubble aligns (front to back) with the circle on the glass face of the level.
Figure 34 Air bubble front-to-back aligned.
NOTE : By extending both levelers in equal amounts, the left-to-right leveling that was performed in step 4
will not be disturbed.
7 Check both the left-to-right and front-to-back leveling. Repeat step 4 through step 6 , if necessary.
Bubble aligned front to back