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17-15
17 CHECK AND ADJUSTMENT
17.5 Adjustment of Compensation Systematic Error of Instrument
(Only for GPT-3102N/3103N/3105N)
Operating procedure Operation Display
1Level the instrument properly with the
plate level.
2While pressing the [F1] key, turn power switch ON.
[F1]
+
Power ON
3Press the [F3] key. [F3]
4Press the [F1] key. [F1]
5Collimate target A (around 0° in horizontal within
±3°) in normal telescope setting (FACE (1)). Collimate
A
(Normal)
6Press the [F4](SET) key. *1)
The sample display shows that the measurement
is made 5 times in FACE 1.
[F4]
7Turn the telescope in reverse telescope setting
(FACE (2)).
8Collimate target A.
Turn
telescope
9Press the [F4](SET) key.
Repeat the procedures in step 8 and 9 so that the
count of measured times matches to the one in
FACE(1). *2),3),4)
The title display will be shown automatically.
[F4]
10 Collimate target B (more than ±10° from the level)
in reverse telescope setting
(FACE(2)). *5)
11 Press the [F4](SET) key. *5)
Collimate
B
(Reverse)
[F4]
12 Turn the telescope in normal telescope setting
(FACE(1)).
13 Collimate target B.
Turn
telescope
[F4]
ADJUSTMENT MODE 1/2
F1:V ANGLE 0 POINT
F2:INST. CONSTANT
F3:V0 AXIS P
AV0 AXIS
F1:MEASUREMENT
F2:CONSTANT LIST
V0/AXIS ADJUSTMENTS
ERROR CORRECTION
(A)COLLIMATION
(B)H AXIS
FRONT FACE1 /0
V: 89°55'50"
LEVEL ±0
SKIP SET
REVERSE FACE2 /5
V: 270°04'20"
LEVEL ±0
SET
(B)HORIZONTAL AXIS
REVERSE FACE 2 /0
V: 270°04'20"
LEVEL ±10°
SET
FRONT FACE 1 /5
V: 89°55'50"
LEVEL ±10°
SKIP SET
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