Bedienungsanleitung Kenwood TS-570S (Seite 73 von 89) (Englisch)

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16 MAINTENANCE

Attempting to

transmit results in the

“HELLO” message

appearing and the

receive mode being

restored.

The transceiver has

low transmit power.

VOX does not

operate.

Linear amplifier does

not operate.

You cannot access

and use 10meter

band repeaters.

Digital operation

results in few or no

connects or contacts

with other stations.

Attempts at

controlling the

transceiver by

computer have failed.

23,30,

—

1 Check the antenna connection.

Correct as necessary.

2 Reduce the SWR of the antenna

system.

3 Correct the input voltage or use a

12 to 16 V battery.

4 Use the provided or an optional DC

power cable.

1 When in SSB or AM mode,

increase the microphone gain.

2 Check antenna connections.

Confirm that the antenna tuner is

reporting a low SWR.

Increase the gain via Menu No. 16.

1 Change Menu No. 39 to ON.

2 Inspect the REMOTE connector

wiring and correct as necessary.

1 Review “FM REPEATER

OPERATION” and select the

correct frequency and type of

subtone.

2 You must transmit on the

repeater’s input frequency and

receive on the repeater’s output

frequency. Refer to “FM

REPEATER OPERATION”.

1 Re-check all connections using this

manual, your TNC/MCP manual,

and your computer hardware

manual as references.

2 Confirm that the RIT and XIT

functions are switched OFF.

Confirm that you are NOT

operating split frequency.

3 Adjust TX and RX levels using

Menu Nos. 33 and 34, and level

controls on your TNC/MCP.

4 Reorient/relocate your antenna or

increase your antenna gain.

5 Set the TNC/MCP TX delay time to

more than 300ms.

1 Check the cable and cable

connections.

2 Use the same parameters in the

terminal program and the

transceiver. Refer to

“COMMUNICATION

PARAMETERS”.

3 Disconnect the computer from the

transceiver, and run a utility

program to test the computer serial

port.

1 The antenna was not connected

correctly.

2 The impedances of the antenna

and transceiver are not properly

matched.

3 The input voltage is outside 13.8 V

DC ±15% (11.7 to 15.8 V DC).

4 An inappropriate DC power cable is

being used.

1 The microphone gain was set too

low.

2 Poor antenna system connections

are causing high SWR.

The VOX gain was set too low.

1 The linear amplifier control relay is

OFF.

2 The REMOTE connector wiring is

wrong or faulty.

1 The repeater requires a subtone

frequency for access.

2 You are not operating split

frequency.

1 Physical connections between the

transceiver, computer, and TNC or

MCP are incorrect, or software

settings in the TNC or MCP are

wrong.

2 Different transmit and receive

frequencies are being used.

3 The levels between the transceiver

and the TNC/MCP are incorrect.

4 Your transmitted signal or the

incoming receive signal is too

weak.

5 The TX delay time parameter in

your TNC/MCP was incorrectly set.

1 Problem with the RS-232C cable

that connects the computer to the

transceiver.

2 Communication parameters set in

your terminal program do not match

transceiver parameters.

3 The serial port on your computer is

not functioning correctly.

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Kenwood TS-570S Seite 73

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