Topcon GPT-2006 Marine Instruments User Manual


 
12 SETTING ATMOSPHERIC CORRECTION
12-2
How to Set the Atmospheric Correction Value Directly
Measure the temperature and air pressure to nd atmospheric correction value (PPM) from the chart or
correction formula.
Operating procedure Operation Display
1
Press the [F4] key to get the soft key page 2 in the
distance measurement mode or page 3 in the
coordinate measurement.
[F4]
2
Press the [F3](S/A) key to set Set Audio Mode
from distance or coordinate measurement mode.
[F3]
3
Press the [F2](PPM) key.
Current setting value is displayed.
[F2]
4
Enter atmospheric correction value. *1)
Mode returns to Set Audio mode.
[F1]
Enter Data
[F4]
*1) Refer to Section 2.6 “How to Enter Alphanumeric characters”.
Input range : –999.9ppm to +999.9ppm,0.1ppm step
HR: 120°30'40"
HD* 123.456 m
VD: 5.678 m
MEAS MODE NP/P P1
OFSET S.O S/A P2
PSM:0.0 PPM 0.0
NPM:0.0
SIGNAL:[ ]
PRISM PPM T-P –––
PPM SET
PPM : 0.0 ppm
INPUT ––– ––– ENTER