Technics SP-15 Operating Instructions Manual page 5

2. Place a record on the turntable mat.
Push the start • stop button. (See Fig. 8.)
The turntable platter will begin to rotate and reach Its constant rotation
speed 0.4 sec. (33-1/3 rpm.).
Fio. 8
3. Upon completion of playing, depress the start • stop button.
The turntable is instantly (0.4 second) stopped by the double brake
system.
4. After that, set the power switch/pitch lock knob to "off". (See Fig. 9.)
Pitch control (turntable speed fine adjustment).
The Quartz Synthesizer system is being employed for the first time in
the world. A high degree of pitch control accuracy over a wide range
(± 9.9%) in 0.1 % increments can be obtained with the quartz perfectly
locked.
The pitch control is continuously variable up to
The pitch variations which are clearly indicated by the LED digital
indicator provide you with accurate and easy selection.
1
•
9.9%.
The pitch control can be selected in increments of 0.1% which is betow
the threshold of human perception. (See Fig. 10.)
The pitch control also enables you to accurately and precisely turn
musical instruments by varying the pitch slightly, to obtain a different
musical note from the record. (See Fig. 11.)
For a half-tone change:
+5.0% (9)
- 5 . 6 % (o)
Fig. 11
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C S O U A H T Z
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rniabie SP-15
Another feature of the variable pitch control over a wide range of ±9 9% is
that it makes singing along with a melody easy for a chorus, or for ptayng
a record for accompaniment only. (See Fig. 12.)
Fig. 12
O L L O J T T Z
rninWe S P - 1 5
By pressing the clear button which is located between the " + " and
pitch buttons, you can quickly return the set to normal playing speed. (!
Fig. 13.)
Fig. 13
S O U A R T Z
nl.iblo SP-15
+5.S
pitch