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5. PRELIMINARIES
5.1 SETTING UP THE INSTRUMENT
1) Unbuckle the band around the tripod legs and loosen the
extension clamp screws. (Fig.5.1)
Fig.5.1
2) With the tripod closed, extend the tripod legs until the tri-
pod head is roughly at eye level, then re-tighten the clamp
screws.
3) Spread the tripod legs so that the leg tips form a regular
triangle on the ground.
4) Make sure that the tripod head is approximately level. Fix
the tripod shoes firmly into the ground. (Fig.5.2)
Fig.5.2
Summary of Contents for B20
Page 1: ...SURVEYING INSTRUMENTS B20 B21 自動レベル Automatic Level 取扱説明書 OPERATOR S MANUAL ...
Page 2: ...This is the mark of the Japan Surveying Instruments Manufacturers Association ...
Page 56: ... 26 MEMO ...
Page 57: ... 27 MEMO ...
Page 58: ... 28 MEMO ...
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Page 60: ...第 4 版 07 0910 2004 株式会社ソキア トプコン 4th ed 07 0910 2004 SOKKIA TOPCON LTD ...