Download 1-Channel - GE Measurement & Control

April 2008
Setting Signal Limits
(cont.)
Table 1-7: Default Values and Limits for GC868
SETUP Parameters
Parameter
Default
Value
Low Limit
High Limit
Signal Low Limit
50
-20
100
Signal High Limit
68
25
100
Cor. Peak Limit
400
0
500
Soundspeed ±
Limit
10%
1%
50%
Velocity Low Limit
-75.0 ft/sec
(-23 m/sec)
-500 ft/sec
(-150 m/sec)
+500 ft/sec
(+150 m/sec)
Velocity High Limit
75.0 ft/sec
(23 m/sec)
-500 ft/sec
(-150 m/sec)
+500 ft/sec
(+150 m/sec)
Acceleration Limit
5.0 ft/sec2
0
100 ft/sec2
(4.6 m/sec2)
1-32
(30 m/sec2)
Amp. Discrim Low
14
0
100
Amp. Discrim High
34
0
100
Delta T Offset
0
-1,000 µsec
1,000 µsec
Skan T Offset
12.6 µsec
-500 µsec
500 µsec
% of Peak
80%
1%
100%
XMIT Sample Size
8
2
32
M>S Switch
5 µsec
0 µsec
250 µsec
# shifts
3
0
10
A Divisor
2.5
0.1
10
# Transmit Pulses
1
1
16
T Window
1
0
1,000
R Window
10
10
128
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