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Appendix C
C-2.8
Vertical Beam Commands
The following commands define the vertical beam criteria used to track the
surface.
VC - Proofing of depth
Purpose:
Format:
Range:
Default:
Description:
VD - Data Out
Purpose:
Format:
Range:
Default:
Description:
Example:
VM - Surface Track Mode
Purpose:
Format:
Range:
Default:
Description:
page C-46
Requires nnn successful surface detections before outputting a
new surface range.
VCnnn
nnn = 0 to 12 (0 = Off, 2-12 Pings)
VC000
If the VC command is set to VC012, then 12 successful sur-
face detections would have to occur before a new surface
range was output.
Selects the data types for the vertical beam collected by the
ADFM.
VD00n n00 000
Firmware switches (see description)
VD001 000 000
VD uses firmware switches to tell the ADFM the types of data
to collect. The ADFM always collects header data,
fixed/variable leader data, and checksum data.
VDxx1 xxx xxx = collect Amplitude Switch data
VDxxx 1xx xxx = collect vertical beam Variable Leader data
Sets the ADFM Surface Tracking Mode
VMn
n = 1 to 5 (1 = Amp, 2 = NA, 3 = Auto, 4 = Shallow, 5 =
Deep)
VM3
The ADFM has 2 different surface tracking modes. Mode 1 is
user configured and not recommended. Mode 3 is the Auto-
Tracking mode which selects between Shallow (Mode 4) and
Deep (Mode 5) surface tracking modes. Modes 4 and 5 are
for forcing shallow or deep, but it is recommended that the
AutoTracking be allowed to evaluate and select shallow or
MGD Technologies, Inc.
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