TIME DOMAIN INDUCED POLARIZATION (TDIP)
Section 9, Page 9 May 2002
This Data Acquisition Screen is displayed when:
Channels 1 and 2 are turned ON.
The battery voltage has been measured and the A/D converter automatically
calibrated before each measurement cycle
Gains are set automatically (default)
Screen Explanation
G0,G1,G2 Gain stages 0, 1 and 2. All stages are set for unity gain.
Atn Set to OUT (bypassed)
SP Buckout values of SP are –7.14 mv for Channel 1 and –3.98 mv for Channel 2.
GGG Gain settings for stages G0, G1 and G2 (in powers of 2). For this example, gain
stages G0, G1 and G2 = 2
0
= 1.
The program first sets up the gains, bucks out the SP and then begins gathering data. Since we
are operating in the default or "Noisy" gain mode, all of the necessary gain is put into G2 first.
See Section 6.5 - Setting Gains.
0210 TDIP0613 11.7 08 Jan 18 15:04:21
Survey D-D
Tx 1 Rx 3 N OUT
.125 Hz 4 Cycles Tx Curr 1
CH N G0 G1 G2 Atn SP GGGA
1 ON 1 1 1 1 OUT -7.14 000O
2 ON 2 1 1 1 OUT -3.98 000O
3 OFF
4 OFF
CONT-Set gains, ESC-Prev Menu
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