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D. The four legs on the rectifier base are adjustable to adjust the proFction anglc.
E, Foi primary focusing, turn the lcne left or right to provide e shrrp image on thc scr;;n. It mey
be ncccssary to ttfocrrs slightly eftcr the film ig tlrtaded.
F. Lamp curient. Thr lamp curr€nt adjustmeflt control controls the DC curr€nt ts the Xenon lamg.
Adjust current so that meter reads approxirnately 16 amperrs. This is the maxirnum currcnt
that the lamg shalld br operated at. Operating the lamp at a higher current with the needle
in the read will shorten the lamg life.
After operating the lamp for ? or 3 minutes notice the current indicatisn readjust for 15 amperes
if necessary, so that whrn the lamp is switched sff and orr again it will start immediatety.
The lamp should always ignite the very first time it is switched on.
G. Testing amplifier. Turn the volume control to the right. The amplifier is now switchcd on.
Turn the treble control approximately midway, The bass control approximately midn'ay And
this should be on normal setting for the propction.
Volume and Tone should be adiusted to m€et
the requirem€nts of the audience.
Norry also exciter lamp should be on. The tittle green tight will show on the exciter lamp cover.
To check the optical sound system insert a small piece of paper between the sound drum end
optical lens. This will provide a cracking noise in speaker.
4.
Tkrreading Film.
A.
Be careful to thread the film carefully, so that it dcs not scratch on the *procket. After threading
the film over the sprocket, close the shoe so that the film will nst slip.
Prsvide the normal
'
sufficient toop at the top of the film gate, threading through filrn gate, and at the bottom around
the lower side sf the automatic lmp setter.
This loop setter automatically maintairts correct lower loop.
Threading the film between the second sprocket arcund the sound drurn and over the third
sprocket. Be careful to see that the film is very snug on the sound drum. This is neccessary for
proper sound reFroductio'n.
After the film is threaded, and put on the take.up re€l, turn the hand knob clsckwise three or
four turns to make sure that all sprockets are moving the fitm and the claw is moving the film
through the gate.
B.
For magnetic film.
See that fut--Mag. switch is in tht magnetic position.
Fsr optical film'
move the switcb to the optical position'
5
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