Topcon GPT-2003 Marine Instruments User Manual


 
2-8
2 PREPARATION FOR MEASUREMENT
To correct a character, move the cursor to correct character by pressing [ ] or [ ] key and enter
again.
2.7 Point Guide (Only for Point Guide type)
Fast and simple to use, the Point Guide feature is useful when doing stake out work. The LED’s for the
Point Guide System on the instrument telescope assist the rod person to get on-line. When using the
Point Guide System, the battery life will be approximately 8 hours at +20 °C (+68 °F).
Turning the Point Guide ON and Operation:
Once you have determined that both of the LED's are equally bright, you are on-line with the
instrument.
Turning the Point Guide OFF:
To turn OFF the Point Guide System, press the [MENU] key again in menu screen.
The point guide function can be available while executing Layout mode. See 8.2 “Executing a Layout”.
5 Press soft key to select a character.
Example: [F4](T) key is pressed.
Select next character in the same manner.
6 Press [F4](ENT) key.
The arrow moves to next item.
Select next character in the same manner.
PT# =T
ID :
INS.HT: 0.000 m
MNOP QRST UVWX [ENT]
PT# =TOPCON-1
ID :
INS.HT : 0.000 m
MNOP QRST UVWX [ENT]
PT# :TOPCON-1
ID
INS.HT : 0.000 m
INPUT SRCH REC OCNEZ
Press the [MENU] key to get the menu screen and press the
[MENU] key again. Point Guide LED
s will be turned ON.
Looking at the objective lens of the telescope, the right LED
will blink and the left LED will stay lit.
The Point Guide should be used within a distance of 100
meters (328 feet). The quality of its results will depend on the
weather conditions and the user
s eyesight.
The goal of the rod person is to look at both LED
s on the
instrument and move the prism on-line until both LED
s are
equally bright.
If the solid LED is brighter, move right.
If the blinking LED is brighter, move left.
Instrument
Illuminate
Blink
Prism