tf t
C, Disoion;
Overall disoìon can be measued by connecting any sanard
distortion measuremen appatus acros5 he oupu The redings om a
wave anly2er or se.lc€ive fequeny disoin meXer wil,l be ore accurae
than hose fom a nl3 e instrumen a 1ower distortion level, istorion
readings e somewh dep0endent on ape. A eading o0 l%o ìs nrmal
oerXing levl whi3e eading o 3%o is nrma3 t db abov opeing .1evel
D Rute and, ow
? le nd ow e produced by peiodic ireguliies in
tape speed nd pper s cyclic 3equency deviions in ecodîng o re-
roduction. They cn be mesued by means 0 ny stndd lue bidge,
Variaions in mp1itude as indicaed on level measuements do no constiute
fluter and are entirely due to tae oing vaiaXions. Readings wil3 be well
une 2%o at 35 inch, 25%o 7 l/2 inch, and. 3%o a 3-3/ inch speed.
Ror more inormation on alignmen o peormnce cheching
efer to ecion 5.
35o m /l/53 2.
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