ATN ATN PS-15 manual Mechanical Functions

Rotate the operation knob from “OFF” position to “ON” position to turn the unit on. The protective lens covers shall be attached to the lens. Do not turn the unit on in daytime without the protec- tive lens caps on. You should see green glow in the eyepieces. To turn the unit off, rotate the operation knob (A) from “ON” to “OFF” position.

You may adjust the unit diopters by rotating the eyepiece rings

(B). The total dioptric range is covered in 1/2 revolution.

To focus the unit for different distances rotate the front lens rings

(C). The total focusing range is covered in 1/3 ring revolution.

The button (D) is used for switching–out of Automatic Protective System. The green LED indicator in the eyepiece starts flicker- ing slowly. In this case you can test the unit in the daylight with protective cups on the lens. To switching–on of Automatic Pro- tective System push the button (D) again.

BA

D

C

Figure 4-3

Mechanical Functions

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