Kenwood TM-441A Manuel d'utilisateur télécharger pdf (Page 47)

5-11 TONE ALERT SYSTEM

The Tone Alert function will provide an audible

“Alarm” to signal when someone is transmitting on the

frequency you are monitoring._______________________

Note

1. When using the CTCSS function the incoming sig

nal must be present for approximately 2 seconds

in order for the Tone Alert function properly.

2. When the DTSS function is on, the bell function

works only when the DTSS code matches.

3. When the paging function is on, the bell function

works only when the paging code matches.

1. Adjust the SQL control to the threshold point.

2. If you will be using the CTCSS function you should

select the proper tone frequency and ensure the

CTCSS indicator is on.

If you will be using the DTSS function you should

select the proper DTSS codes and ensure the DTSS

indicator is on.

If you will be using the PAGING function you should

select the proper PAGING codes and ensure the P

indicator is on.

3. Press the F key and then the TONE/T.ALT key. The

T.ALT indicator will light.

4. When a signal is received and the squelch is open, an

alarm sounds for about five seconds, the T.ALT

indicator flashes, and the elapsed time count begins.

5. The elapsed time is displayed in minutes to up to 59

hours 59 minutes. If a new signal is received during

counting, the elapsed time is cleared, and the

elapsed time from the new signal being received is

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6. If a key is pressed while the elapsed time is being

displayed, the T.ALT function is released.

7. To release the T.ALT function when no signal is being

received, press the TONE/T.ALT key again

________

Notes

1. When the PF key on the microphone is set as the

monitor key, the voice can be monitored by press

ing the PF key while the T.ALT function is working.

2. The T.ALT function may fail if the received signal is

abandoned (audio low-frequency distortion, igni

tion noise, etc.). In this case, the interference can

be reduced by installing an optional TSU-6 and

setting the CTCSS frequency to 141.3 Hz or lower.

When a repeater is used, the CTCSS function is not

available. It is recommended to use it with the

DTSS function.

3. The tone Alert System can not be use in

conjunction with Scan.

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Kenwood TM-441A Manuel d'utilisateur Page 47

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