Hitachi PRIMAIDE 1440 Instruction Manual page 160

(k) When installation of the lamp house is finished, close
the light source cover and turn ON the power (check
that the lamp comes on).
Now proceed to positional adjustment of the Xe lamp.
(3) Positional Adjustment of Xe Lamp
Direct Gazing at Illuminating Xenon Lamp Could
Cause Eye Damage
The xenon lamp radiates intense ultraviolet light when it is
on.
If you look at the illuminating xenon lamp during coarse
adjustment of its position, your eyes could be damaged.
Do not look at the xenon lamp directly when it is lit.
Be sure to wear tinted safety glasses to prevent possible
eye damage.
The position of the beam slightly differs from one lamp to
another, so it is necessary to adjust the lamp position
before the detector is first used or when the lamp is
replaced. Use the three adjusting screws on the right side
of the instrument for the adjustment.
HORIZONTAL : For adjusting horizontal position
FOCUS
VERTICAL
Lamp adjustment involves coarse adjustment, in which the
image of the light beam is monitored, and fine adjustment,
in which detailed adjustment is made while observing the
data. Coarse adjustment is required at first.
5 - 12
CAUTION
: For adjusting the focal point of light
source
: For adjusting vertical position