David White AL8 Serie Manual De Instrucciones página 2

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2 • AL8 AutoLevel
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FEATURES (FIG. 1)
1. Base Plate
2. Horizontal Circle
3. Horizontal Circle Reference Mark
4. Compensator Lock
5. Focusing Knobs
6. Optical Peep Sight
7. Sunshade / Objective Lens
FEATURES
• Wire-hung, magnetically dampened compensator for optimum range and accuracy.
• Compensator lock protects instrument during transport or storage; the lock can also be
used as a handy compensator checking tool.
• Large effective aperture and minimum focus of 0.3 m.
• Top-mounted optical peep-sight for quick reference.
• Large, easy-to-use precise focusing knob.
• Easy-to-read horizontal circle.
• Prism for easy bubble viewing.
• Sealed, dust-protected leveling screws.
• Water resistant, sealed construction plus sunshade for use in various weather conditions.
• Fine adjustment knobs on left and right sides with friction-braked rotation, endless
horizontal drive.
• 1:100 stadia for distance estimation.
• 5/8" x 11 threads to fit standard tripods.
INTRODUCTION
Thank You for purchasing one of our Automatic Levels.
This manual includes specifications for the AL8 series auto level. This instrument was carefully
inspected and calibrated within tight tolerances before shipment. We properly package the
instruments for shipment, but we cannot control how the package is handled during shipment. We
advise that you check the instrument using the test shown in the Chapter "Line-of-Sight" before
using. "Measure Twice, Cut Once"...
EN
8. Horizontal Drive Screw
9. Leveling Screw
10. Circuclar Bubble Vial
11. Vial Sighting Prism
12. Eyepiece Cover
13. Eyepiece Focusing Knob
AL8 AutoLevel • 3