SCINTREX ENVI-MAG, Manual

Page: 26 / 265

Preparation
A2-6
ENVI-MAG Manual
Gradiometer sensors
Lower sensor
1.
Orient
both the sensors so that as you look at the bottom of the
sensors (the end with the terminals), the large square plug is at the
9 o’clock position.
2.
Use
SCINTREX cable number 788 028—it has four conductors.
3.
Select
the lower sensor—it has pairs of terminals at the 12 o’clock
and 6 o’clock positions, as well as an attached cable to the terminals
at the 6 o’clock position. (See “Figure A-5Gradiometer sensor cabling”
on page A2-7.)
4.
Remove
the cable hold-down plate by unscrewing the screws at the
2 o’clock and 4 o’clock positions.
5. Connect the red wire of the cable to the terminal at the 1 o’clock position.
6.
Connect
the black wire of the cable to the terminal at the 11 o’clock
position.
7.
Connect
the green wire of the cable to the terminal at the 5 o’clock
position. Please ensure that the already attached bare wire of the
smaller two-conductor cable remains attached.
8.
Connect
the white wire of the cable to the terminal at the 7 o’clock
position. Please ensure that the already attached white wire of the
smaller two-conductor cable remains attached.
9.
Place
the smaller two-conductor cable into the smaller slot just below
the 3 o’clock position.
10.
Place
the larger four-conductor cable into the larger slot just above the
3 o’clock position.
11.
Re-attach
the cable hold-down plate.