Triton Isis - Manual (Page 22)

June 2004 Isis® Sonar User's Manual, Volume 2 12
0208 runNumber 2 USHORT
0210 spare4[100] 100 BYTE
are all set to 0.
Annotation
0310 operatorAnnotation 100 BYTE Not currently used, all null
chars (0).
0410 sonarName 40 BYTE Sonar name from
SONARS.DAT for Q-MIPS;
“Isis Analog Server” for Isis.
Sonar Parameters
0450 triggerDirection 2 USHORT Sonar trigger edge
direction for Q-MIPS, 1:
positive-going, 0: look for
level, -1: negative-going,
from SONARS.DAT or
Record Mode set-up; not
used by Isis.
0452 triggerMagnitude 4 USHORT Sonar trigger threshold in
A/D units (2.4mV) for
Q-MIPS, from
SONARS.DAT or Record
Mode set-up; not used by
Isis.
0456 triggerWidth 4 FLOAT Duration of sonar trigger in
seconds for Q-MIPS, from
SONARS.DAT or Record
Mode set-up; not used by
Isis.
0460 ch1_frequency 2 USHORT
0462 ch2_frequency 2 USHORT
0464 ch3_frequency 2 USHORT
0466 ch4_frequency 2 USHORT
Sonar carrier frequency in
kHz from SONARS.DAT for
Q-MIPS; defaults to 100 for
Isis. *
0468 ch1_horizBeamAngle 4 FLOAT Sonar 3dB narrow beam
width in degrees from
Appendix A: Q-MIPS File Format