Connection Of Customer's Equipment; Turntable Speed; Tracking Force And Antiskating Force Adjustment - Shure C/PEK-3 Instruction Manual

Fig. 10 Fig. 11 Fig. 12
New hyperbolic stylus Worn hyperbolic stylus Severely worn hyperbolic
stylus
Fig. 13 Fig. 14 Fig. 15
New hyperelliptical Worn hyperelliptical Severely worn hyper-
stylus stylus elliptical stylus
II. CONNECTION OF CUSTOMER'S EQUIPMENT
A. Connect the ground wire to the binding post marked "GND" on the front of
the test panel.
B. Plug the left channel output from the customer's turntable into the "left" in-
put on the front of the test panel.
C. Plug the right channel output from the customer's turntable into the "right"
input on the front of the test panel.
D. Plug the ac cord from the customer's equipment into the ac outlet on the
front of the test panel.
E. Push turntable selection switch on test panel to "0ut:A" position.
Ill. TURNTABLE SPEED
Check the turntable connections per Section II. If all connections are correct,
place TTR-109 on the turntable, and set the speed to 33% rpm. Using the strobe
disc printed on the TTR-109 label, check the speed of the turntable at 331/3 rpm
(outer ring). Now set the turntable speed to 45 rpm, and check the speed of the
turntable using the inner strobe. (Attach 50 Hz strobe label for the TTR-109
when line frequency is 50 Hz.)
ALL TRACKABILITY TESTS USING THE TTR-103 SHOULD BE PERFORMED
AT 45 RPM; LEVEL AND CROSSTALK TESTS USING THE TTR-109 SHOULD
BE PERFORMED AT 33% RPM.
IV. TRACKING FORCE AND ANTISKATING FORCE ADJUSTMENT
A. Set the stylus tracking force adjustment on the tone arm to zero.
B. Balance the arm in accordance with instructions of the tone arm manufac-
turer.
C. Set the tracking force at the middle of the tracking force range stated by
the cartridge manufacturer.
Example: If the suggested range is two to four grams, set the tracking force
to three grams.