4. Insert the battery container (3) back into the battery compartment. Make sure the battery container is
re-inserted properly particularly watching for the orientation of the battery container contacts.
5. Return the battery compartment cover (1) to its original position.
Attention! It is strongly recommended to use only SINGLE-TYPE batteries otherwise the
device's operating time drastically decreases.
OPERATING INSTRUCTIONS
1. Remove the lens caps from the objective lens (4) and from the long-range IR-illuminator (5).
2. Press the button marked «ON» (6) to turn on the device. A stable green light indicates that the device
is ready for use. A flashing green light indicates that the battery power level is low. A flashing red light
indicates that the battery is empty.
3. Locate an object within 20 to 30 meters.
4. Adjust the sensitivity of the device (visually it is determined as image brightness) by turning the
adjustment wheel (11).
5. Rotate the eyepiece's lever (7) and the objective (4) until you see a sharp image. When you turn the
device on, the auxiliary short-range IR-illuminator is turned on automatically. Press the «IR» button (8)
to turn the main IR-illuminator on. Choose the operation modes of the IR-illuminator: press and hold
the «+» (9) or «-» (10) buttons to increase or decrease respectively the power of the IR-illuminator. The
use of the IR-illuminator in the optimal mode prolongs operating time. If the device is focused on an
object closer than 15 metres, the emission spot of the main IR-illuminator (bright light circle) will be
shifted to the right side of the display.
6. When changing the viewing distance, try to see a sharp and high-quality image by rotating the
objective (4) and the sensitivity adjustment wheel (11) and by changing the operating modes of the IR-
illuminator. Do not rotate the eyepiece's lever (7) the device is already individually adjusted.
7. Plug the output video cable into the RANGER's video-output jack (12) to transmit the observed
image to an external LCD monitor. When the RANGER is coupled with video equipment, the
observed image can be recorded.
8. To connect the RANGER to a vehicle's 12V auxiliary power port, plug the car adapter into the
RANGER's power input jack (13) and connect the other end of the cable to the vehicle's auxiliary
power port.
9. To connect the RANGER to a household outlet, use a variable power switching adapter.