Changing the af filter type, Changing the af filter type -5, Bandwidth – Kenwood TS-990S User Manual

Page 143

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REJECTING INTERFERENCE 6

6-5

Index

Contents

■ Behavior of the HI/SHIFT and LO/WIDTH controls

in SSB-DATA mode

1 Select Group No. 6, "TX/RX Filters & Misc", from the

Menu screen.

2 Access Menu 08, "Filter Control in SSB-DATA Mode

(High/Shift and Low/Width)".

3 Press [SELECT] (F4) to allow editing of the parameter

box.

4 Press [-] (F4) or [+] (F5) to select either "High & Low

Cut" or "Shift & Width" for the behavior of the control.

The changes of the shift and filter type appear on the RX

Filter screen. The default is "Shift & Width".

If "High & Low Cut" is selected:

The value of the cutoff frequency (either low or high) will vary.

If "Shift & Width" is selected:

Values for the passband width and the amount of the shift will

vary.

5 Press [

] (F1).

6 Press [MENU] to exit.

CHANGING THE AF FILTER TYPE

Like the IF filters, the passband width of audio frequencies

can be selected from three types (Narrow, Medium, and

Wide).

[F1] [F7]

[ESC]

[FIL/SEL] (S)

[MULTI/CH]

[FIL/SEL] (M)

1 Press and hold [FIL/SEL] (M) or [FIL/SEL] (S) to open

the RX Filter screen.

The selected band and the mode name while receiving

appear, and the selected RX filter (A, B, or C) will be enabled.

2 Press [FILTER] (F2) or [FIL/SEL] (M) or [FIL/SEL] (S)

to select the receive filter.

Each press cycles the RX filter through A > B > C.

3 Press [AF] (F5) to enable to edit the AF Filter.
4 Subsequently, press [AF] (F5) to select the filter shape.

• Each time you press [AF] (F5), the selection cycles as

follows: Medium > Wide > Narrow >Medium Rotating the

MULTI/CH control can also change the filter shape.

• The default is "Medium".

5 Press [ESC] to exit.

Pressing [FIL/SEL] (M) or [FIL/SEL] (S) closes the RX Filter

screen as well.

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