the top position. When the device reaches the top/upper position
it will turn off automatically.
5. Push the same button a to lower PS-15 to viewing position. the
unit will automatically turn back on again for continuation of the
operation.
6. the mounting mechanism of helmet mount can be detached from
headgear. Pull the knob and move the mounting mechanism down
along the rail.
2.1.4. 3x lENS INSTAllATION
to install 3X afocal lens screw it into the thread of front lens of PS-7.
2.1.5. 5x lENS INSTAllATION
to install 5X lens unscrew the standard objective lens of PS-7 from
the body. to install lenses screw 5X lens to the free place (make sure
that the unit is turned off).
2-6
FIGURE 2-6. PS-7 wITH 3x lENS AND IR450
FIGURE 2-7. PS-7 wITH 5x lENS