FRONT PANEL CONTROLS
19. EDSP Filters
(A) APF
Selects and indicates the bandwidth for the EDSP CW audio peaking filter. Pressing the [APF] switch se- lects the bandwidth to be used for the EDSP CW audio peaking filter, with available selections of 240(Hz)/ 120(Hz)/60(Hz)/DATA (DATA is an optimized bandwidth for FAX, PACKET or SSTV operation,
(B) NR
Selects and indicates the setting of the EDSP Noise Reduction feature. Pressing the [NR] switch selects one of four EDSP noise reduction settings, and the indicator changes according to the selection chosen (choose the selection providing the most effective re- duction of noise under current operating conditions).
(C) CONTOUR
Press one of these four switches to select the de- sired EDSP (CONTOUR) filter.
: Low Cut Filter
:Mid Cut Filter (High- &
: High Cut Filter
OFF:
EDSP filter is off; the CONTOUR LED will go out.
20.MODE Selection Buttons
These momentary buttons select the operating mode, indicated by the LED in each button. Pressing AM, CW, RTTY, or PKT multiple times will switch be- tween the alternate operating features that can be used by these modes (covered later). Also, when you press and hold in the [PKT] key for one second, the user- programmed custom function setting mode will be ac- tivated.
21. CLASS-A Button
This button changes the final amplifier operating mode to
22.FAST Button
For fast tuning, press this button (the “FAST” icon will appear), then rotate the main or sub tuning knobs (or press the UP(p) or DOWN(q) button). The tuning rate will increase ten times.
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