16 MAINTENANCE
Attempting to | 1 | The antenna was not connected | 1 | Check the antenna connection. | 1 | |
transmit results in the |
| correctly. |
| Correct as necessary. |
| |
“HELLO” message | 2 | The impedances of the antenna | 2 | Reduce the SWR of the antenna | 1 | |
appearing and the |
| and transceiver are not properly |
| system. |
| |
receive mode being |
| matched. |
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restored. |
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3 | The input voltage is outside 13.8 V | 3 | Correct the input voltage or use a | 2 | ||
| ||||||
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| DC ±15% (11.7 to 15.8 V DC). |
| 12 to 16 V battery. |
| |
| 4 | An inappropriate DC power cable is | 4 | Use the provided or an optional DC | 2 | |
|
| being used. |
| power cable. |
| |
The transceiver has | 1 | The microphone gain was set too | 1 | When in SSB or AM mode, | 15 | |
low transmit power. |
| low. |
| increase the microphone gain. |
| |
| 2 | Poor antenna system connections | 2 | Check antenna connections. | 1 | |
|
| are causing high SWR. |
| Confirm that the antenna tuner is |
| |
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|
|
| reporting a low SWR. |
| |
VOX does not | The VOX gain was set too low. | Increase the gain via Menu No. 16. | 17 | |||
operate. |
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Linear amplifier does | 1 | The linear amplifier control relay is | 1 | Change Menu No. 39 to ON. | 18 | |
not operate. |
| OFF. |
|
| 61 | |
| 2 | The REMOTE connector wiring is | 2 | Inspect the REMOTE connector | ||
|
| wrong or faulty. |
| wiring and correct as necessary. |
| |
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You cannot access | 1 | The repeater requires a subtone | 1 | Review “FM REPEATER | 24 | |
and use 10meter |
| frequency for access. |
| OPERATION” and select the |
| |
band repeaters. |
|
|
| correct frequency and type of |
| |
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| subtone. |
| |
| 2 | You are not operating split | 2 | You must transmit on the | 24 | |
|
| frequency. |
| repeater’s input frequency and |
| |
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|
| receive on the repeater’s output |
| |
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|
|
| frequency. Refer to “FM |
| |
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|
|
| REPEATER OPERATION”. |
| |
Digital operation | 1 | Physical connections between the | 1 | 62 | ||
results in few or no |
| transceiver, computer, and TNC or |
| manual, your TNC/MCP manual, |
| |
connects or contacts |
| MCP are incorrect, or software |
| and your computer hardware |
| |
with other stations. |
| settings in the TNC or MCP are |
| manual as references. |
| |
|
| wrong. |
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|
| |
| 2 | Different transmit and receive | 2 | Confirm that the RIT and XIT | 23,30, | |
|
| frequencies are being used. |
| functions are switched OFF. | 32 | |
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|
| Confirm that you are NOT |
| |
|
|
|
| operating split frequency. |
| |
| 3 | The levels between the transceiver | 3 | Adjust TX and RX levels using | 18 | |
|
| and the TNC/MCP are incorrect. |
| Menu Nos. 33 and 34, and level |
| |
|
|
|
| controls on your TNC/MCP. |
| |
| 4 | Your transmitted signal or the | 4 | Reorient/relocate your antenna or | — | |
|
| incoming receive signal is too |
| increase your antenna gain. |
| |
|
| weak. |
|
|
| |
| 5 | The TX delay time parameter in | 5 | Set the TNC/MCP TX delay time to | — | |
|
| your TNC/MCP was incorrectly set. |
| more than 300ms. |
| |
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| |
Attempts at | 1 | Problem with the | 1 | Check the cable and cable | 60 | |
controlling the |
| that connects the computer to the |
| connections. |
| |
transceiver by |
| transceiver. |
|
|
| |
computer have failed. | 2 | Communication parameters set in | 2 | Use the same parameters in the | 51 | |
|
| your terminal program do not match |
| terminal program and the | ||
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| |||
|
| transceiver parameters. |
| transceiver. Refer to |
| |
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| “COMMUNICATION |
| |
|
|
|
| PARAMETERS”. | — | |
| 3 | The serial port on your computer is | 3 | Disconnect the computer from the | ||
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| |||||
|
| not functioning correctly. |
| transceiver, and run a utility |
| |
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| program to test the computer serial |
| |
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| port. |
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67
