Section 4 | Configuration and Operation
© 2022
– Valeport Ltd
Page | 10
4.4 Range Settings
The VA500 has a standard operational range of 0.1m to 100m. If required this can be restricted
with the setting of a minimum range and maximum range.
minimum and maximum ranges are set in metres regardless of the units programmed by setting
#021
The default setting for sound speed used to calculate range is 1500 m/s
# code
Followed By:
Operation
#021
;Range_units
Set to either
0
– Seconds
1
– Metres
2
– Feet
3
– Fathoms
#022
<CR>
Read range units set above
#118
;0 or 1 or 2<CR>
Set Altimeter Error output message
Where 0=zero (0.000), 1=-999, 2=NR
#119
<CR>
Reads Altimeter Error output message
#823
;maximum range<CR>
set the maximum range that is considered
when processing data (acoustic returns beyond
maximum range are ignored)
#824
<CR>
Reads maximum range
#840
;minimum range<CR>
set the minimum range that is considered when
processing data (acoustic returns before
minimum range are ignored)
#841
<CR>
Reads minimum range
#830
; Value, <CR>
Variable to change the Speed of Sound ms-1
#831
<CR>
Reads the sound speed
