iXBlue Gaps M5, Frequently Asked Questions Manual

Page: 3 / 16

A.1.6 I
N CASE OF UNAVAILABILITY OF
GPS
SIGNAL
,
IS THERE A WORKAROUND TO BYPASS
THE INPUT OF
GPS
SIGNAL WHEN TESTING WITHOUT INDUCING A SYSTEM ERROR MESSAGE
? 11
A.1.7 I
S
G
APS
M5
BETTER THAN
G
APS
M7
FOR SOME APPLICATIONS
? ........................... 11
A.1.8 W
HAT IS THE TELEMETRY RATE
? .......................................................................... 12
A.1.9 W
HAT IS THE RECOMMENDED SHORT RANGE OF OPERATION
? ................................ 12
A.1.10 C
AN THE RANGE BE EXTENDED BEYOND
995? ................................................... 12
A.1.11 I
S THERE ANY DECREASE IN POSITION AROUND THE HORIZONTAL BEAMS
(180-200
DEGREES
)? C
AN THE
G
APS BE TILTED IN SHALLOW WATER TO HAVE BETTER POSITION
PERFORMANCE OR IS THIS NOT NEEDED AT ALL
? ................................................................ 12
A.1.12 W
HAT IS THE POSITION UPDATE RATE
? ............................................................. 12
A.1.13 Y
OU SAY THERE IS NO CALIBRATION NEEDED AT ALL
? N
OT EVEN A SPINCHECK
?
Y
OUR COMPETITOR STATES THAT WITH AN INTEGRATED
INS,
A SPINCHECK IS STILL NEEDED
. 12
A.1.14 C
AN ONE LOAD NEW CALIBRATION PARAMETERS
? ............................................. 12
A.1.15 H
OW ABOUT THE CALIBRATION INTERVAL FOR THE
O
CTANS
N
ANO GYRO
? D
O WE
NEED TO CALIBRATE THE GYRO
? ....................................................................................... 13
A.1.16 S
INCE
G
APS
M5
IS PRE
-
CALIBRATED AT FACTORY AND NO CALIBRATION IS NEEDED
,
WHAT CAN WE DO IF WE FIND OUT THAT THE UNDERWATER POSITION IS NOT GOOD OR FAR
AWAY FROM THE ACTUAL POSITION
? .................................................................................. 13
A.1.17 I
F POSITION IS UNSTABLE IN VERY SHALLOW WATERS
–
WHAT WILL BE THE
DIFFERENCE PERFORMANCE
-
WISE BETWEEN
G
APS
M5
AND
M7? ........................................ 13
A.1.18 C
AN
G
APS
M5
BE UTILIZED AS
DP S
YSTEM
R
EFERENCE
S
YSTEMS
? .................. 13
A.1.19 I
S
G
APS
M5
STABLE ON VESSEL MOVE
? ........................................................... 13
A.1.20 W
HAT IS THE MAXIMUM SEA STATE THAT WE CAN USE
G
APS
M5? ...................... 13
A.1.21 H
OW DOES THE
G
APS INTERFACE WITH YOUR
INS
ON AN
AUV? ........................ 14
A.1.22 H
OW FAST CAN
AUV
BE TRACKED RELIABLY
? .................................................. 14
A.1.23 H
OW CAN
I
USE THE
M5
TO COMMUNICATE WITH AN
AUV
IN MODEM MODE ON A
COMPATIBLE BEACON WITHOUT USING THE TOWFISH MODEM FOR
AUV
POSITIONING
? .......... 14
A.1.24 H
OW IS
SVP
DATA LOADED INTO
GAPS M5? .................................................... 14
A.1.25 H
OW DO WE KNOW WHEN THE
INS
HAS FAILED IN THE
G
APS
?
ERROR CODES
? ... 14
A.1.26 I
S
G
APS ABLE TO CHOOSE THE BETTER FREQUENCY ITSELF
(
IN NOISY ENVIRONMENT
FOR EXAMPLE
)? ................................................................................................................ 14
2.2 I
NTEGRATION AND MECHANICAL ASPECTS
.................................................................................. 14
A.1.27 H
OW DELICATE IS THE HYDROPHONE ARRAY WHEN USING IT FROM A SMALL
VESSEL
? 14
A.1.28 C
AN
G
APS
M5
BE TESTED IN AIR
? .................................................................... 14
A.1.29 H
OW LONG WE CAN USE THE
G
APS
M5
IN AIR FOR TESTING
? ............................. 15
A.1.30 C
AN THE
IP R
ANGE BE CHANGED TO A USER OWN
N
ETWORK
IP R
ANGE
? ........... 15
A.1.31 I
S THERE ANY DIFFERENCE BETWEEN
G
APS
M7 & G
APS
M5
MOUNTING FLANGE
DIMENSIONS
? ................................................................................................................... 15