Remove the negative lead first.
Remove the positive lead first.
It doesn’t matter which lead you remove first.
Secure the positive lead first and then the negative.
Observer proficiency requires constant practice.
SF member must pace the range to see if his estimation is correct.
Underestimating sloping ground gives the illusion of a greater distance
Accuracy is directly related to amount of terrain visible to the observer.
Look 5 degrees above, below, or to either side rather than directly at it.
Look 10 degrees above, below, or to either side of it rather than directly at it.
Look 15 degrees above, below, rather than directly at it.
Look 20 degrees to either side only rather than directly at it.
2 to 4 inches
4 to 6 inches.
6 to 8 inches.
8 to 10 inches.
An emitter head with battery case, sensor head, and transmitter.
A seismic head with battery case, sensor head, and transmitter.
A transformer head, infrared sensor head, and transmitter.
An emission head with battery case, sensor head, and transmitter.
In snowy conditions.
Alarm annunciation and visual inspection.
Sensor identification and recognition.
To assess the alarms of a sensor activation.
Provide full color imagery and video.
Provide communication and data to the base defense operations center.
Allow you to view the enemy from long distances.
Assess alarms annunciating from the TASS system.
Objective lens assembly.
Facemask and goggle.
Head assembly, de-mist shields, and goggle.
Head-mount assembly, sacrificial window, and goggle.
Head-mount assembly, sacrificial window, and de-mist shields.
Rubber eye cups.
Eye relief adjustment.