Yamaha pt 4 tuning scope service manual
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Extracted text from yamaha pt 4 tuning scope service manual (Ocr-read)
Page 2
PORTABLE TUNING SCOPE
MODEL PT-4
OPERATION MANUAL
The Yamaha Tuning Scope Model PT-4 is a portable,
eesy-to-use instrument whereby you can ascertain
with your eyes the correct tuning of a musical instrument.
With this unit, tuning accuracy can be verified at a glance,
for any type of instrument.
Please reed this manual carefully,
to make lull use of the revolutionay precision
and convenience the tuning scope affords,
and to avoid abusing its power.
With proper care,
model PT-4 will afford long years of durable,
dependable service for precision tuning.
PARTS and CONTROLS
CENY Ad,
FINE cam Ad,
77 - CHROMATIC SELECTOR
ocnv: SELECTOR
CRT »
POWER Switch
STAND
MIC Jack
Sig Out 7h 7, ,
Cellbrllor 7, 7 iii
AC Com Jack - ¥_
l
[ I , ,_ Vertical Posvllm
i ' ' - Horizontal Position
' Focus
Fig. 1
,7, , _ Inlensdy
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