Topcon DL-501 Instruction Manual page 59

9. Measure backsight.
• [FOCUS]: Press to perform Auto Focus only.
• [PT.ID]: Press to change the current point ID.
Subsequent point IDs will be assigned
automatically in either ascending or
descending order.
Select [Decr.]/[Incr.] for descending/
ascending order.

• ( ) will be displayed to the right of the
point ID when ascending (descending)
order is selected.
•Point ID settings can be changed mid-route.
• [CNFG]: Press to configure measurement
settings.
• Press [INPUT] on page 2 to manually input
Rh values and Hd values obtained using the
telescope stadia lines.
10. Check point ID, double-run setting, and
measurement results.
Press [OK].
11. Measure foresight.
12. HEIGHT DIFFERENCE MEASUREMENT
B F F B
0 0 0 0
R h
H d
B S 1
T I L T C N F G
P t . i d
: R o u t e 0 1 - A 1 - 0 0 0 1
Incr.
A . F . s e t t i n g :
T i l t w a r n
P r e . m e a s
M e a s m o d e
D a t a i n p u t
R h : 0 . 0 0 0 0 0
H d : 0 . 0 0 0
B F F B
R o u t e 0 1 - A 1 - 0 0 0 1
R h 1 . 5 6 7 8 m
H d 3 4 . 5 6 7
B F F B
R o u t e 0 1 - A 1 - 0 0 0 1
R h
H d
B S 1
T I L T C N F G
G o
S
F S 1
P 1
PT.ID F O C U S
A
O K
Y e s
: Y e s
: Y e s
: S i n g l e
1
m
m
O K
G o
S
m
O K
G o
S
F S 1
P 1
PT.ID F O C U S
51