Showa 5683, Operation Manual

Page: 17 / 68

２−４
Number Name Function
(15) High-pass filter LED This LED turns on when the high-pass filter is used.
ON./OFF for high-pass filter
(FILTER)
Pressing the knob allows the high-pass filter to switch
between ON and OFF. High-pass filter LED (15) turns on
for ON and it turns off for OFF.
Filter type: 2-pole Butterworth filter
Cut-off frequency: 0.5 Hz (16)
Low pass filter setting knob
(FILTER)
This knob is used to set the low-pass filter. Turning the
knob allows the filter to be set to OFF (= W/B) or cut-off
frequency. The setting information is displayed on
low-pass filter LED (17).
Filter type: 4-pole Butterworth filter
Cut-off frequencies: 10, 30, 100, 300, 500 Hz, W/B (for
Model 5683
)
Cut-off frequencies: 10, 30, 100, 500 Hz, 3 kHz, W/B (for
Model 5684
)
(17) Low-pass filter LED This LED indicates the cut-off frequency for the low-pass
filter. W/B (wideband) signifies OFF for the low-pass filter.
(18) OUTPUT2 level control volume The output voltage for OUTPUT2 5 can be controlled
from the rating 10 V to 1 V. Control the voltage with the
attached screw driver. The output value is indicated on the
digital monitor (3). As decimal point shifting is possible
through the dip switch on the bottom face of the amplifier
unit, digital monitor (3) can be used for an indicator. For
how to shift the decimal point, refer to page 3-8.
(19) Power switch
(POWER)
Pressing this switch supply the power to the amplifier unit.
The power is turned off by pressing this button again.
Table 2-1 Front Panel: Names and Functions (4)