R2Sonic 2022, Operation Manual

Page: 114 / 133

Page 114 of 133
Version 3.0 Rev r000
Date 25-08-2010
Part No. 96000001
13.3 R2Sonic Head Commands – Binary Format
Cmd Format Units Values Description
ABS0 f32 dB/km 0 to 200 absorption
BIE0 u32 0 = off
1 = on
bathy intensity enable
BMAX f32 metres 0 to 999 max range filter
head default = 999
BMIN f32 metres 0 to 500 min range filter
head default = 0
BOS0
u32 0 = Equiangle
1 = Equidistant
bottom sampling
BPHS
f32 radians 0.523599 = normal
999 = shallow
999 = vert. features
bottom type
DGA0 f32 metres 0 to 500 depth gate min
DGB0
f32 metres 0 to 500 depth gate max
DGO0
u32 0 = off
1 = on
depth gate enable
use FILT or DGO0, not both
DHM0 u32 0 = single head
1 = master simultaneous
2 = master alternating
3 = slave simultaneous
4 = slave alternating head sync mode
(single and dual head modes)
FILT
u32 0 = off
1 = range
2 = depth
3 = range & depth
depth, range filter enables
use FILT or DGO0, not both
FRQ0
f32 Hz 200000 to 400000 frequency
GAN0
f32 dB 1 to 45 gain (
Δ
1 = 2dB)
PRL0 f32 Hz 0.1 to 60 ping rate limit user-value
PRO0 u32 0 = projector forward
1 = projector aft projector orientation
PROJ u32 0 = none
1 = narrow (1°)
2 = wide (20°)
projector type selector
PRU0
u32 0 = off
1 = on
ping rate limit user-enable
PRZ0
f32 metres -0.20 to +0.20 projector mounting Z offset
default = 0.119
RET0
f32 radians -45° to +45° receiver tilt
RNG0
f32 metres 2 to 500 range
ROS0
u32 0 = off
1 = on
roll stabilization enable
SER0
f32 radians -70° to +70° sector rotate
wedge edges must not go
beyond ±80°
SEW0 f32 radians 10° to 160° sector width
SNIP u32 0 = off
1 = on
snippets enable
SPR0 f32 0 to 60
typically 30
spreading loss
SVL0
f32 m/s 1250 to 1600 sound velocity user-value