Bedienungsanleitung Kenwood TS-590SG (Seite 38 von 96) (Englisch)

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7 COMMUNICATING AIDS

■ Fine Tuning

The default frequency step size when turning the

Tuning control to change the frequency is 10

Hz for SSB/ CW/ FSK, and 100 Hz for AM/ FM.

However, you can change the frequency step size

to 1 Hz for SSB/ CW/ FSK, and 10 Hz for AM/ FM.

1 Press [FINE (F.LOCK)].

• “

” appears.

2 Turn the Tuning control to select the exact

frequency.

3 To quit the function, press [FINE (F.LOCK)]

again.

• “ ” disappears.

Note:

◆ If the Fine Tuning function is ON when the displayed

frequency is less than 1MHz, the frequency is displayed

up to the 1Hz digit but is shifted one position to the left

(except when Menu No. 56 is set to “1” or ”2”).

◆ The Fine Tuning function ON/OFF setting is stored in

each of the following modes.

SSB/ SSB-DATA/ CW/ FSK/ FM/ AM

■ Tuning Control Adjustment Rate

The default Tuning control adjustment rate is 1000.

This represents the number of pulses the Tuning

control generates in a complete revolution. Each

pulse changes the tuning frequency based on the

current frequency step size (the frequency step

size for the Tuning control is 10 Hz for SSB/ CW/

FSK and 100 Hz for AM/ FM). For example, in

SSB mode the frequency step size is 10 Hz, so the

frequency would change by 5,000 Hz in a complete

revolution of the Tuning control. The adjustment

rate of the Tuning control can be lowered to 250

pulses per revolution or increased to 1000 pulses

per revolution.

1 Press [MENU], then press [Q-M.IN]/ [Q-MR] or

turn the MULTI/CH control to select Menu No.

13.

2 Press [M.IN]/ [SCAN (SG.SEL)] to select “250”,

“500”, or “1000” (default).

3 Press [MENU] to exit Menu mode.

■

Equalizing VFO Frequencies (A=B)

This function allows you to copy the frequency and

modulation mode of the active VFO to the inactive

VFO.

1 Select the frequency and mode on VFO A or

VFO B.

2 Press and hold [A/B (A=B)].

• The frequency and mode selected in step 1

are duplicated to the inactive VFO.

3 Press [A/B (A=B)] to conﬁ rm that the frequency

was copied to other VFO.

RIT (RECEIVE INCREMENTAL TUNING)

RIT provides the ability to change your reception

frequency by ±9.99 kHz in steps of 10 Hz without

changing your transmission frequency. If the Fine

Tuning ([FINE (F.LOCK)]) function is ON, the

frequency step size becomes 1 Hz (±9.999 kHz). RIT

works equally well with all modulation modes and

while using VFO or Memory Recall mode.

1 Press [RIT].

• “

” and the RIT offset appear.

2 If required, press [CL] to reset the RIT offset to 0.

3 Turn the RIT/ XIT control to change your reception

frequency.

4 To turn RIT OFF, press [RIT].

• The reception frequency is returned to the

frequency that was selected prior to step 1.

Note: When storing the frequency in a Memory channel with

the RIT function ON, the RIT offset frequency is added to or

subtracted from the VFO frequency. The calculated data is then

stored in the Memory channel.

AGC (AUTOMATIC GAIN CONTROL)

When using a mode other than FM, AGC selects the

time constant for the Automatic Gain Control circuit.

Selecting a slow time constant will cause the receiver

gain and S-meter readings to react slowly to large

input changes. A fast time constant causes the

receiver gain and the S-meter to react quickly to

changes in the input signal. A fast AGC setting is

particularly useful in the following situations:

• Tuning rapidly

• Receiving weak signals

• Receiving high-speed CW

For your convenience, the following default AGC time

constant has already been programmed.

SSB/SSB-DATA: Slow (“

”) CW: Fast (“ ”)

FSK: Fast (“ ”) AM/AM-DATA: Slow (“ ”)

■ AGC Time Constant Adjustment

You can pre-set up to 20 values (1 ~ 20) for the

FAST/SLOW time constant (release time).

To change the default time constant:

1 Press [AGC/T (SEL)] to select FAST or SLOW.

• The AGC time constant icon appears on the

display (“ ”: Slow, “ ”: Fast).

2 Press and hold [AGC/T (SEL)] to display the

time constant pre-set value.

3 Turn the MULTI/CH control to set your desired

time constant value.

4 If you want to turn the AGC OFF, press and hold

[CW T. (AGC OFF)].

• “

” appears on the display.

Note: You cannot adjust the time constant in FM mode.

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