FIELD/TIME
-
Displays the magnetic field or the time
STATION/DAY
-
Displays the station number, also the Julian Day, or the line number.
Also displays signal strength, tuning and battery voltage.
System checkout
The G-856AX can be quickly checked for proper operation. This checout should be done
out of doors some distance away from buildings, power lines, vehicles, or other structures
that will generate significant magnetic fields. Use the following procedure to verify that
the magnetometer is operating correctly.
1) Assemble the staff sections as described above in Magnetometer Setup.
2) Make sure that the sensor is filled with fluid. You can shake the sensor to determine
if it is adequately filled.
3) Mount the sensor on the staff or tripod.
4) Open the console case by releasing the plastic snaps on it sides and slide the cover
off of the console. Verify that the batteries are correctly oriented (D-cells) or that
they are connected (rechargeable Gel-cells). Reinstall the console cover.
5)
Attach the sensor signal cable to the console’s connector.
6)
Depress the
READ
key. The displays should light, turn off, then light again for 5
seconds showing the measured magnetic field strength. If the displays did not light
or if the indicated field strength appears to be incorrect see the Troubleshooting
section in this manual.
Operating procedures
The G-856 is quite simple to operate. Most of the controls will not be used during the
course of a normal survey. The following is a detailed description of the operating
procedure associated with each key function.
1 - Clearing a Key sequence
To clearing a keystroke or keystroke sequence depress:
CLEAR
When you depress
CLEAR
the displays will go blank and any keystroke(s) you have
entered will be erased.
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