Operating Procedure; Turning On; Focusing - ATN ots-14 Operator's Manual

Thermal imaging system

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3.2. OPERATING PROCEDURE

Open the objective lens cover. The objective lens cover protects the

monocular from inadvertent exposure to extremely high levels of radi-

ant flux. Never leave the monocular with the objective lens cover off.

To turn the unit on press the button labeled ON/OFF.

After a warm-up time of approximately 3 seconds, video of the ther-

mal scene appears.

NOTE

During the warm-up time, a logo comes into view on the mono-

cular display. Next the thermal image replaces the logo.

NOTE

The image you see will have a yellow tint. The yellow tint provides

better contrast and resolution over black and white images.

To focus the scope you need to adjust the diopter first. The scope

has an adjustable eyepiece with a range of +2 to -6 diopter. Simply

turn the diopter clockwise until it stops. Then concentrate on any

object and slowly turn the diopter back counter clockwise until the

grain in the image is sharp. Then rotate the eyecup to accommo-

date use over the left or right eye.

You scope has ability to focus either long range or short. Focus the

front lens to rotate it until the image and the grain are both sharp.

3-4

Figure 3-3. Switchboard of ATN OTS-14

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