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== | == Electrical difference to 545 == | ||
The high-voltage circuit is identical to that of the Tektronix [[545|545A]]. | |||
Glow | Glow lamps are used to stabilize the high voltage in brightness circuit. | ||
However, the glow lamp stabilizer is often faulty. | |||
The lamps aged too fast, with the result that the trace flickers. | |||
== Mechanically difference to 545 == | == Mechanically difference to 545 == |