Simplex APOGEE User Manual download pdf (Page 12)

11

Digital Illumination

You will need to have some signal

showing on your scope to begin.

There is help getting started in a

section entitled "kick-starting

digital alignment" that follows.

Use a 9/64" allen wrench to loose

n

the socket head cap screw enough

to permit moving the copper LED

mount by hand. Rotate the assemb

l

to achieve the highest traces. Mov

e

the assembly in and out to evenly

illuminate the entire digital block.

Pay close attention to the edges of

the digital burst. The desired patte

r

would be straight up the left side,

straight across the top and straight

down the right side. Some

unevenness will appear on the top

edge. Careful adjustment can

minimize this effect.

Tighten the screw when

adjustment is complete. Minimal

torque is required. The large

surface area makes excessive

tightening unnecessary. The last

step is to adjust the LED current

from the power supply to reach 4

volts of video.

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