REJECTING INTERFERENCE 6
6-5
■ 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 pass band 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.
Summary of Contents for TS-990S
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