DIDSON Flashcards
Connections on the DIDSON sonar are cleaned with what?
Silicone
What Horizontal Field of view for the DIDSON
What is the Vertical Field of view for the DIDSON?
26 Degrees
14 Degrees
What is the Depth Rating for the DIDSON
90M
What is the High Frequency operating range?
Operating Range?
1.8 MHz
0.3 Degrees H by 14 Degrees V
96 Beams
1M-15M
What is the Low Frequency operating range?
Operating Range?
1.1 MHZ
0.5 Degrees H by 14 Degrees V
48 Beams
1M-35M
How many feet of cable does the DIDSON have for remote operation?
100ft
On the DIDSON
What does a red light indicate?
What does an amber light indicate?
What does a flashing amber light indicate?
Red Light- Charging
Amber Light - Charging is on; no batteries connected
Flashing Amber- a faulty or over charged battery
What do you do if the DIDSON sonar has less than 1 hour remaining on the batteries? More than 1 hour?
How long do you charge batteries for during the Quarterly Inspection?
Run sonar to 1 hour if “time remaining” is greater than 1 hour
If “time remaining” is less than 1 hour charge batteries
30 Minutes
How long for 1 battery to fully charge how about two batteries?
3.2 hours
6.4 hours
They charge sequentially
How long can the DIDSON run for while on surface?
NO more than 30 minutes; overheating may result and equipment damage
To view captured images on a PC from the DIDSON what do you need?
The PC must have the DIDSON topside software installed
How to turn off DIDSON?
How to do a hardware shutdown?
F1 & F3 - off
F1 & F4 - hardware shut down
What are all the buttons do on the DIDSON?
F1
F2
F3
F4
Zoom F1
Capture (Mode) F2
Range F3/F4
How do you image objects on the bottom?
1-2m above the bottom
Tilted 15 degrees
How do you remove the bubble in the front lens?
At room temperature
Remove lens fill screw, press diaphragm depressor in the diaphragm well, use the syringe and adding more lens fluid, re-insert fill screw.
