Topcon DL-501 Instruction Manual page 70

14. CALCULATION FUNCTIONS
5. Repeat steps 3 to 4 and add all other routes
used in the link/loop.
Press [OK] when all routes have been added.
6. Use {}/{} to select closure type.
"Link": Starts and closes on different bench
marks.
"Loop": Starts and closes on the same bench
mark.
7. Press [OK]
• When "Link" is selected in step 6 the screen
shown at right is displayed. Input the
following values.
"Start bench mark elev.": Elevation of the start
point for the first route used in the link.
"End bench mark elev.": Elevation of the end
point for the last route used in the link
Press [OK] to display calculated closure
error.
• Press [ADJUST] to distribute closure error
among points.
• When "Loop" is selected in step 6 the screen
shown at right is displayed.

• The display range for dH results is -99.99 to
99.99 (mm). Results falling below/exceeding
this range will be displayed as -99.99 or 99.99
respectively.
8. Press [OK] to return to <Calculation menu>.
62
0 0 1 R 0 0 1
0 0 2 R 0 0 2
0 0 3 R 0 0 3
0 0 4
T O P
C l o s u r e e r r o r
C l o s u r e t y p e :
L i n k c l o s u r e
S t a r t b e n c h m a r k e l e v .
: 3 1 . 2 4 3 6 7
E n d b e n c h m a r k e l e v .
4 6 . 5 0 8 0 5 m
L i n k c l o s u r e
:
R e l a t i v e h e i g h t
d Z
C a l c d H
ADJUST
L o o p c l o s u r e
ADJUST
P 1
L A S T O K
L o o p
O K
1
m
O K
- 0 . 0 6 m m
1 5 . 2 6 4 3 8 m
1 5 . 2 6 4 3 2 m
O K
0 . 0 5 m m
O K