Technical data

2.3.3. ELECTRONIC CIRCUIT FUNCTION

The electronic circuit regulates the direct current voltage from the battery to the image intensier and

IR source as required. It also monitors the output voltage of the battery and turns on a low-battery

indicator when the available battery voltage is 1.9 – 2.1 Vdc.

a. Power Source

The electronic circuit is powered by one battery.

b. High Light Cut-O

The monocular will automatically turn o after 70 ±30 seconds of operation in daylight or other bright-

ly lit environments. Individual bright lights (headlights, ashlights, or other concentrated light sources)

will not actuate the high light detector located on the front of the monocular. To turn the monocular

back ON, turn the power switch to RESET/ OFF, and then to ON again.

PHOTOCATHODE

MICROCHANNEL

PLATE

FIBER-OPTIC

INVERTER

OBJECTIVE

LENS

PHOSPHOR

SCREEN

IMAGE

INTENSIFIER

POWER

SUPPLY

EYEPIECE

LENS

EYE

Figure 2-6. Optical Function Diagram

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