Specifications

3.3 Operating Procedures
3.3.1 Operating NM-108 BC
Operating procedures should be performed in night light conditions only.
CAUTION:
USE OF THE CO-LR IN BRIGHTLY LIT CONDITIONS MAY DAMAGE THE IMAGE
INTENSIFIER TUBE.
CAUTION:
PAY ATTENTION TO THE CAUTION NOTICE ON THE OBJECTIVE LENS CAP: “DO
NOT REMOVE IN DAYLIGHT”.
1. Verify that the battery is installed as required.
2. Perform a visual estimation of the illumination level in the viewing area, using the reference data
presented in Appendix A. You can begin operating the NM-108 BC if the illumination level is less
than 1 lx.
3. Remove the objective lens cap and place it over the lens’ housing.
CAUTION:
BEFORE REMOVING THE OBJECTIVE LENS CAP, VERIFY THAT THE
PHOTORECEIVER IS OPEN.
4. Verify that there are no bright light sources in the NM-108 BC field of view. Turn the device on.
After a slight delay, a green glow will appear in the day scope’s output lens.
CAUTION:
AVOID EXPOSING THE DEVICE TO BRIGHT LIGHT SOURCES SUCH AS FIRELIGHT,
HEADLIGHTS, SEARCHLIGHTS, ETC., AS THESE CAN DAMAGE THE NM-108 BC.
5. To operate the NM-108 BC in short-time activation mode, turn the device on standby. To activate
the NM-108 BC, press and hold the remote control button. Release the remote control button to
deactivate the NM-108 BC.
6. Observe the scene. Adjust the focus by rotating the NM-108 BC focus knob until the image
becomes clear and sharp.
7. Adjust the image contrast by rotating the NM-108 BC gain control knob.
8. If the day scope includes a focusing ring (i.e., parallax adjustment knob), adjust the focus for a
parallax free image.
9. Turn on the day scope’s reticle illumination and adjust the reticle brightness.
CAUTION:
DO NOT LEAVE THE NM-108 BC ACTIVATED IF IT IS NOT BEING USED.
NOTE:
AUTOMATIC INTERRUPTING TIME IS 60 MINUTES. TO RESUME OPERATION, YOU
WILL NEED TO RESTART THE NM-108 BC.