Topcon GPT-2005 Marine Instruments User Manual


 
17 CHECK AND ADJUSTMENT
17-11
17.4 How to Set the Instrument Constant Value
To set the Instrument constant which is obtained in Section 17.1 “Check and adjusting of instrument
constant”, follow as below.
Note: Each of the Prism mode and Non-prism mode has instrument constant.
You must obtain the instrument constant of prism mode. If you reset the instrument
constant of the prism mode, you must vary the non-prism constant (Non-prism-short, Non-
prism-long) by the same quantity as the amount of increase or decrease of the instrument
constant of the prism mode.
Operating procedure Operation Display
1 While pressing the [F1] key, turn power switch
ON.
[F1]
+
POWER ON
2 Press the [F2] key.
[F2]
3 Select the constant value by pressing the [F1] to
[F3] key.
[F1] to [F3]
4 Enter the constant value. *1),2)
[F1]
Enter value
[F4]
5 Turn power switch OFF.
Power OFF
*1) Refer to Section 2.6 “How to Enter Alphanumeric characters”.
*2) To cancel the setting, press the [ESC] key.
ADJUSTMENT MODE
F1:V ANGLE 0 POINT
F2:INST. CONSTANT
F3:V0 AXIS
INST. CONSTANT SET
F1:PRISM
F2:NON-PRISM-SHORT
F3:NON-PRISM-LONG
INST. CONSTANT SET
NON-PRISM-LONG
: - 0.6 mm
INPUT ––– ––– ENTER
1234 5678 90.- [ENT]
INST. CONSTANT SET
NON-PRISM-LONG
: - 0.7 mm
INPUT ––– ––– ENTER