Topcon DL-501 Instruction Manual page 58

12. HEIGHT DIFFERENCE MEASUREMENT
PROCEDURE Measurement procedure BFFB
1. Select "Meas" in <Menu>.
2. Select "Height dif." in <Meas menu>.
3. Select "Measurement" in <Height dif. menu>.
4. Select "Start cond." in <Meas menu>.
• Select "Meas start" to skip Start cond. input
and proceed to step 7.
5. Set the following data items.
(1) Temperature
(2) Weather
(3) Wind strength
(4) Wind direction
(5) Observer name
(6) Memo
6. Press [OK] in the screen of step 5 when all
data items have been set.
7. Set up the DL in the center of the first section.
8. Press the Measure key to perform pre-
measurement and confirm that the distance to
the backsight is approximately the same as
the distance to the foresight.
Press [OK].
50
H e i g h t d i f . m e n u
1 . R o u t e
2 . M e a s u r e m e n t
H e i g h t d i f . m e a s m e n u
1 . S t a r t c o n d .
2 . M e a s s t a r t
3 . V i e w
F e b / 1 7 / 2 0 0 9 1 0 : 0 3 : 2 8
T e m p :
W e a t h e r : F i n e
W i n d : C a l m
W i n d d i r : - - -
O b s e r v e r
:
M e m o
:
:
P r e . m e a s .
R h 1 . 2 3 4 5 m
H d 3 4 . 5 6 7
T I L T C N F G
1 5 . 0 C
1
O K
A
O K
m
OK F O C U S