Pentax PLP-601 Manual do Utilizador descarregar pdf (Página 35)

5.2 Check and adjustment of the datum point

[Check]

Set up the instrument on the tripod halfway between two walls or

pillars about 40m away so that the ‘X side’of the instrument faces the

‘Wall A’and level it.

Operate the instrument and turn on the power to the detector.(use the

detection accuracy initially set.)

Mark the reference point detected for both walls.(A,B)

Arrange a pair of target plates (with the same scale) and fix them to the

walls (A and B) so that the center values of the target plates coincide

with the reference point marks.

Loosen the center screw of the tripod to turn the instrument 180 for

the ‘X side’to face the ‘Wall B’and tighten the center lock screw again

for the instrument to be leveled again.

Over view

(Keypad)

X side

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Pentax PLP-601 Manual do Utilizador Página 35