2 SSB RADIOTELEPHONE

2.2 Receiving

2.2.1 RF gain (sensitivity) adjustment

In normal use the sensitivity should be set for maximum. If the audio on the received channel is unclear or interfered with other signals, adjust (usually reduce) sensitivity to improve clarity.

1.Rotate the [ENTER] knob to choose SEN at the bottom of the screen and then push the [ENTER] knob.

SEN

2. Rotate the [ENTER] to adjust and then push the [ENTER] knob.

2.2.2 S-meter

The S-meter shows relative signal strength coming into the receiver frontend. Note that the S-meter does not function when the AGC is turned off.

MODE: SSB SIMP HIGH

CH: 200

TX: 2182.0

 

 

 

KHZ

RX: 2182.00

 

 

 

KHZ

 

 

 

 

 

 

 

 

 

 

AGC : FAST

 

 

 

 

 

 

 

 

 

SEN

 

 

 

 

 

 

S

 

 

 

 

 

 

 

S-meter

VOL

 

 

 

 

 

IA

 

 

 

 

0.0A

 

 

 

 

 

 

 

 

 

2.2.3 Monitoring traffic on intended transmit frequency

When a semi-duplex channel is selected, it is recommended to monitor if there is no existing traffic on the frequency you are going to use. This can be done by entering the Tx frequency at the Rx frequency location.

2.2.4 Receiving AM broadcasting stations

1.Press the [1/ RT/2182] key to show the radiotelephone screen.

2.Rotate the [ENTER] knob to choose MODE and then push the [ENTER] knob.

MODE: SSB

CH:TLXAM

TX:

RX: 2182.00

SIMP HIGH

KHZ

KHZ

AGC : FAST

SEN

 

 

 

S

VOL

 

 

 

 

IA

 

 

 

 

 

 

 

 

0.0A

3.Rotate the [ENTER] knob to choose AM and then push the [ENTER] knob.

4.Rotate the [ENTER] knob to choose RX and then push the [ENTER] knob.

2-6

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Sony FS-1570, FS-2570 Receiving, RF gain sensitivity adjustment, Meter, Monitoring traffic on intended transmit frequency