DIDSON

Question 1

What buttons are pressed to power on the DIDSON?

Answer 1

F1 & F3 (F1 & F4 is hardware shutdown)

Question 2

What type of imaging does the DIDSON use?

Answer 2

Acoustic imaging.

Question 3

DIDSON battery packs that run below _____ will result in damage to the equipment.

Answer 3

10.5V

Question 4

The DIDSON shall not be run on surface for more than _____.

A) 1 Hour. B) 45 Minutes C) 15 Minutes D) 30 Minutes.

Answer 4

D) 30 Minutes.

Question 5

The DIDSON has a ____ degree field of view.
A) 26 B) 27
C) 28 D)29
E)30

Answer 5

D) 29 degree horizontal

Question 6

What is the range of the DIDSON?
A) 25m
B) 30m
C) 35m
D) 40m

Answer 6

C) 35m

Question 7

The DIDSON operates at __-__ FPS frame rate.

Answer 7

4-20 FPS

Question 8

The DIDSON is (Negatively/Neutral/Positively) Bouyant.

Answer 8

Neutral.

Question 9

What is the max depth rating of the DIDSON?

Answer 9

300fsw (91m)

Question 10

How long does the DIDSON battery last on 1 charge?

Answer 10

2.5 hours.

Question 11

How long does it take to fully charge the DIDSON battery?

Answer 11

3.2 hours.

Question 12

the sonar should be held about ____ off the sea bottom and tilted down ___ degrees.

Answer 12

1 meter

15 degrees

Question 13

The DIDSON sonar beams are “shoulder
to shoulder” and together cover ___ degrees
in the horizontal by __ degrees vertical.

Answer 13

29x14

Question 14

What is the max depth of the DIDSON?

Answer 14

300’

Question 15

(True/False)
Turn on the charger BEFORE connecting the batteries (amber LED will light). Otherwise, the batteries will not charge properly.

Answer 15

TRUE

Question 16

What does the DIDSON sonar transmit in high frequency mode?

Answer 16

96 beams: 3 degrees horizontal by 14 degrees vertical.