2
Laser Sight Accessory
012-07894A
®
9 VDC
500mA
GND
3.5mm
HORIZONTAL
ADJUST
VERTICAL
ADJUST
ON
OFF
POWER
+9V
DC
OS-852
7A
LASER SIGHT
ACCESSORY
➤
CAUTION:
This is a relatively safe, low power
laser. Nevertheless, we strongly recommend the fol-
lowing precautions:
• Never look directly into the laser beam, either di-
rectly, or as it is reflected from a mirror.
• Set up experiments so the laser beam is NOT at eye
level (for spectators who may be either sitting or
standing).
Assembly
➀
Set up Projectile Launcher as required.
➁
Attach Laser Sight Accessory to rear of Projectile
Launcher with supplied thumbscrew and square nut.
See Figure 1. Face of laser diode unit must be flush
against rear of launcher barrel.
➤
NOTE: A greater range of inclination angle for
the launcher can be achieved by attaching the Laser
Sight Accessory to the lower channel of the Projec-
tile Launcher. This, in effect, rotates the Laser Sight
Accessory and changes the direction of the horizon-
tal and vertical adjustments as labeled in back of the
laser diode unit.
➂
Plug the 9VDC adapter phone plug into the back of
the laser and turn on the laser.
center of laser
target fixture
laser beam
bore-sights of
launcher
front of Projectile
Launcher barrel
laser module at
rear of launcher
laser target
fixture
Figure 2: Laser Alignment Diagram
Laser Alignment
It is necessary to align the laser beam so it passes pre-
cisely through the center of both bore-sights inside the
launcher barrel. See Figure 2.
Projectile Launcher must not be loaded during this proce-
dure.
➀
Cutout the supplied laser target fixture (see Figure 5)
and place at the exit end of the Projectile Launcher.
Orientation is not critical.
➁
Use the horizontal and vertical adjustment screws to
adjust the direction of the laser beam from left-to-right
and up-and down until the beam is in properly aligned.
See Figure 3.
➂
Proper alignment is achieved when a single beam is
observed at the center of the face of the laser target
fixture. See Figure 4.
Figure 3: Laser Beam Alignment
input jack
(9VDC)
adjustment
screws
Figure 4: Laser Target Fixture Detail
