NVDs Flashcards
1
Q
What are the components of the NVDs?
A
Spring loaded ball bearings
Gold contacts
Pivot adjustment shelf (PAS)
L/R eye span adjustments
Objective Lens
Eye piece lens
Tilt lever
2
Q
Photocathode
A
1st electrically charged plate
Photons to electrons
3
Q
Micro channel plate
A
2nd electrically charged plate
Electrons bounce off micro glass tubes to generate more electrons coming out
4
Q
Phosper screen
A
Enhances images
5
Q
Fiber optic inverter
A
Flips image 180 deg
6
Q
What controls the 2 electronically charged plates?
A
Auto brightness control (ABC)
Bright source prevention (BSP)
7
Q
Auto brightness control (ABC)
A
Controls what we see, varies voltage to micro channel to a level set for the user
8
Q
Bright source prevention (BSP)
A
Activates immediately to protect the microchannels
9
Q
A
