Model 3BX III Service Manual
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7.1.5.2 Observe the output on the scope. Verify that the wave
shape is substantially as shown in Fig. 9b, and confirm for
the other channel.
Figure 9c
7.1.6.3 Observe that the Impact display lights at least 10 out
of the 12 LEDs.
Figure 9b
7.1.5.3 Observe that the Impact display lights at least 10
out of the 12 LEDs.
7.1.6 High-Band Test
7.1.6.1 Set the oscillator to 10 kHz at 0 dBV and the tone-
burst oscillator to produce approximately a 3.2 ms burst
(32 cycles) followed by approximately 100 ms (1000 cycles) of
at least 20 dB attenuation. Set the scope for 2 V/div and
0.5 ms/div.
7.1.6.2 Observe the output on the scope. Verify that the
wave shape is substantially as shown in Fig. 9c; confirm for
the other channel.
Содержание 3BX III
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Страница 37: ...3853C 600307 Printed in USA...