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GSM19 Series Magnetometers - Version 7
GEM Systems, Inc. Advanced Magnetometers
For more technical information, visit www.gemsys.ca
Press
F
after you have made your selection. The following screen is displayed.
SCREEN 29
yes
clear graph
F-ok C-change
C
- toggles between
yes
and
no
.
Once programmed, this feature is always active at the start of a survey until you disable it. It can
only be changed in this screen at the end of the set up menus. This feature has no effect on the
display when you go from the survey menu back to the survey.
Yes
Always starts the survey with an empty screen. The graph starts from the left side, and the
offset is set to 00.
No
Displays the last graph from memory and starts adding the new readings at the end of it.
After you have made your selection, press
F.
The following screen is displayed.
SCREEN 30
D
↑
vertical scale 160nT
C
↓
A- B+ F
Use
A
-
or
B+
to select the vertical scale and
D
or
C
to adjust the vertical offset by one dot of the
LCD (keep pressed for fast, continuous action).
Only a short, rounded indication of the vertical scale appears on the 1
st
line of the screen. The actual
values are the ones shown in the following table. The vertical units are nT (i.e. full scale from top to
bottom of the screen).
The horizontal range is always 240 dots and each dot represents a reading.