14
ARMASIGHT by FLIR
MNVD
U S E R M A N U A L
3.2 SYSTEM CONTROLS
3.2.1 OPERATING KNOB
The operating knob performs the following functions:
• Activates the MNVD by pressing the end of the knob.
• Used to adjust the gain (brightness) of the viewed image. Turn the knob to balance the illumination
input to the eyes.
• Deactivate the MNVD by pressing the end of the knob.
3.2.2 IR ILLUMINATOR BUTTON
The IR
Illuminator
button performs the following functions:
• Activates built-in IR illuminator when the button is pressed once.
• Activates the IR illuminator to higher power mode when button is pressed and held down for 2-3
seconds.
• Returns to low IR power mode when button is pressed and held down again.
• Turns off the IR illumination when pressed briefly.
3.2.3 DIOPTER ADJUSTMENT RING
The diopter adjustment allows a user to alter the viewfinder for optimum image sharpness. While looking
through the eyepiece, rotate the diopter adjustment ring to optimize the sharpness of the image in the
viewfinder.
3.2.4 FOCUS RING
Bring the object into focus by turning the objective focus ring (CCW for far focus, CW for near focus, if
you look in the eyepieces). Rotate the focusing ring until the subject looks sharp in the viewfinder.
3.2.5 INDICATION
When the MNVD is ON, the color LED indicators can be shown in the field of view. The color LEDs
indicate the following states of the device:
INDICATIONS
COLOR OF LED IN THE FOV
Built-in IR illuminator is activated
Red
Image intensifier tubes are exposed to excessive levels of light
Green
Battery is low
Flashing Red
3.3 AUTO POWER OFF FUNCTION
The monocular will automatically shuts off when disconnected from the head mount or helmet mount,
or when flipped up to the stowed position. The MNVD bright light cut-off feature shuts off power to
the monocular when it is exposed to excessive levels of light for more than 10 seconds. Automatic
shut-off system also automatically turns off the device when it is unused (controls are not touched) for
60 minutes. The automatic shut-off function preserves battery life should the device be inadvertently
activated.
