LIDAR

Question 1

To program the ProLaser 4 for approach mode only:

a. Press Menu; select ‘Set Direction’; select (▼).
b. Press Menu; keep pressing ‘Set Direction’ until ‘Approach’ displays; press Menu.
c. Press Menu; select Set Direction; select (▲).
d. Press Menu; keep pressing ‘Set Direction’ until ‘Approach’ displays.

Answer 1

a. Press Menu; select ‘Set Direction’; select (▼).

Question 2

Laser pulses travel at:

Select one:

a. 3,000 metres per second.
b. 30,000 metres per second.
c. 300,000 metres per second. Incorrect
d. 300,000,000 metres per second.

Answer 2

d. 300,000,000 metres per second.

Question 3

The ProLaser 4 has a specified target range of:

a. 3 metres to 600 metres.
b. 3 metres to 1200 metres.
c. 3 metres to 1800 metres.
d. 3 metres to 2400 metres.

Answer 3

a. 3 metres to 600 metres.

Question 4

The beamwidth of the ProLaser4 as specified by the manufacturer is:

a. 10 mm per 100 metres.
b. 10 cm per 100 metres.
c. 30 mm per 100 metres.
d. 30 cm per 100 metres.

Answer 4

b. 10 cm per 100 metres.

Question 5

What does the ProLaser 4 measure?

a. The time it takes the target to reach each reflected pulse of energy.
b. The speed at which the target strikes each reflected pulse of energy.
c. The Time of Flight of each reflected pulse of energy from the target.
d. The frequency of each reflected pulse of energy from the target.

Answer 5

c. The Time of Flight of each reflected pulse of energy from the target.

Question 6

The ProLaser 4 has a specified speed range of:

a. 8 km/h to 250 km/h.
b. 8 km/h to 270 km/h.
c. 8 km/h to 300 km/h.
d. 8 km/h to 320 km/h.

Answer 6

d. 8 km/h to 320 km/h.

Question 7

The ‘sweep effect’ can be overcome by:

a. using a tripod.
b. proper reticle alignment.
c. readjusting how the unit is gripped.
d. having a complete tracking history.

Answer 7

d. having a complete tracking history.

Question 8

The ProLaser 4 has a specified speed display accuracy of:

a. + or - 0.5 km/h.
b. + or - 1 km/h.
c. + or - 2 km/h.
d. + or - 3 km/h.

Answer 8

b. + or - 1 km/h.

Question 9

The ProLaser 4 has an operating frequency of:

a. 130 THz.
b. 230 THz.
c. 330 THz.
d. 430 THz.

Answer 9

c. 330 THz.

Question 10

The ProLaser 4 has a beam divergence or beamwidth at 305 metres of approximately:

a. 0.3 metre wide x 1.0 metre high.
b. 0.3 metre wide x 2.0 metres high.
c. 0.9 metre wide x 1.0 metre high.
d. 0.9 metre wide x 2.0 metres high.

Answer 10

a. 0.3 metre wide x 1.0 metre high.

Question 11

The ProLaser 4 has a specified pulse repetition rate of:

a. 100 Hz per second.
b. 200 Hz per second.
c. 300 Hz per second.
d. 400 Hz per second.

Answer 11

b. 200 Hz per second.

Question 12

The ProLaser 4 has a specified distance accuracy of:

a. 15 mm over 2438 metres.
b. 15 cm over 2438 metres.
c. 15 mm over 3248 metres.
d. 15 cm over 3248 metres.

Answer 12

b. 15 cm over 2438 metres.

Question 13

When using the ProLaser 4, what can affect target acquisition?

a. Sweep effect.
b. Targeting distance.
c. Weather.
d. A, B and C.

Answer 13

d. A, B and C.

Question 14

The laser beam with regard to the aiming reticle is:

a. smaller than the reticle at short distances.
b. larger than the reticle at short distances.
c. smaller than the reticle at any distance.
d. about the same size as the reticle at any distance.

Answer 14

d. about the same size as the reticle at any distance.

Question 15

When using the ProLaser 4 you should maintain a ‘target to Laser versus roadway to Laser’ ratio of:

a. 5:1.
b. 7:1.
c. 10:1.
d. 12:1.

Answer 15

c. 10:1.

Question 16

When not in use, the ProLaser 4 should be:

Select one:

a. stored securely in the police vehicle.
b. stored in its case.
c. connected to a charging port.
d. placed in Standby mode.

Answer 16

b. stored in its case.

Question 17

How do you record an event on the ProLaser 4?

a. Press the Power button.
b. Press the Check button.
c. Press the Menu button.
d. Press the (▼) button.

Answer 17

b. Press the Check button.

Question 18

LASER is an acronym for Light Amplification by Stimulated Emission of:

a. Radiation.
b. Reflected light.
c. Resonation.
d. Refracted light.

Answer 18

a. Radiation.

Question 19

The ProLaser 4 emits what?

a. Sound wave pulse.
b. Microwave pulse.
c. Radiation pulse.
d. Light pulse.

Answer 19

d. Light pulse.

Question 20

Cosine angle effect is negligible until what degree is exceeded?

a. 3
b. 5
c. 10
d. 15.

Answer 20

c. 10