Operation
A5-12 ENVI-MAG Manual
Start operation
4. Press the “START” key, read the console message and act accordingly.
5. Press the “START” key again. You will see prompts for the cable length you
are using.
6. Press either the “2” key for the (LONG) standard 50m base-station cable or
the “3” key for the (
SHORT) total-field sensor and cable.
*7. After two or three readings, Press the “STOP” key.
*8. Press the “ESCAPE” key.
*9. Bring up the MAG SETUP display by moving the cursor to mag setup
and pressing the “ENTER” key.
*10. Enter! the measured total-field value as TUNE FIELD: and also as the
BASE FIELD:
*11. Enter! the Base Field into all mobile units.
*12. Press the “ESCAPE” key and resume the measurement.
13. Press the “NUM/GRAPH” key to show the graph.
14. Press the “+” or “-” key to change the sensitivity of the graph. The new full-
scale value is shown briefly on the message line at the bottom of the display.
You can al so press the “0” (zero) key to center the graph vertically.
*Optional steps
Note: Data scrolled off the screen may be inspected with the RECALL feature.
This however requires interruption of data acquisition. A change in the
graph sensitivity does not affect the recorder sensitivity.
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