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Motorola Alert tone 1 duration

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jeffycc

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Joined
Dec 23, 2004
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78
Location
Nashua NH
Can anyone tell me what tone alert 1 duration is. I'm looking to program a unication g5 with the tone.
Unfortunately it's activating when ever someone talks on a trunked system. I need the following:
Minimum short digital tone duration in MS
Minimum long digital tone duration in MS.
Minimum gap between two digital tone Rx address in MS.

Thanks!
 

AdamHLG

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Feb 13, 2012
Messages
200
Cant help you with duration but when I tried to program my G5 originally I had your problem of activation whenever anyone spoke. I realized I was setting up alerting completely wrong! Make sure you setup your D3 protocol parameter as a P25 Trunking (and under that protocol, I am using 100ms short / 200ms long / 1000 ms gap, and then set your talk group in D5 (alert mode tone, pick an alert tone, program the tone group frequencies (for me its 2 tone phase 1). In D6, click on your zone / function knob setting, then under binding feature, select "sub group feature" and under that, auto reset (or whatever you want), and then scroll down to bottom and select "sub group setting" and add the talk group, and then "enable". If you want to monitor the channel also select "alternatives - enable) otherwise G5 will stay silent until it alerts. I have 2 knob positions setup - one to stay quiet (alternatives - enable not selected) and another to monitor channel (alternatives - enable selected).

Not sure if this helps. When I first set this up, I tried to select the protocol under D3 as "2 tone" and I was going down the wrong fox hole!!!

If this does not help I will leave it for others to respond. Good luck!
 

Mr_Boh

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Oct 10, 2016
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Trying to figure out which alert you mean. First it's MCC, not MDC.

QCII spec calls for 1 second + 3 second alert with no gap.

Alert tone 1 is just 1000Hz tone for however long the dispatcher decides to hold the button. Alert Tone 2 which is the high/low is a 1 second alternate of 1000Hz and 2000Hz
 

jeffycc

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Dec 23, 2004
Messages
78
Location
Nashua NH
It's on the Motrola MCC 7500 Elite Dispatch. It says Alert 1. I've been told its 1000 hz. It automatically times out when I hit it.
 

jeffycc

Member
Joined
Dec 23, 2004
Messages
78
Location
Nashua NH
Cant help you with duration but when I tried to program my G5 originally I had your problem of activation whenever anyone spoke. I realized I was setting up alerting completely wrong! Make sure you setup your D3 protocol parameter as a P25 Trunking (and under that protocol, I am using 100ms short / 200ms long / 1000 ms gap, and then set your talk group in D5 (alert mode tone, pick an alert tone, program the tone group frequencies (for me its 2 tone phase 1). In D6, click on your zone / function knob setting, then under binding feature, select "sub group feature" and under that, auto reset (or whatever you want), and then scroll down to bottom and select "sub group setting" and add the talk group, and then "enable". If you want to monitor the channel also select "alternatives - enable) otherwise G5 will stay silent until it alerts. I have 2 knob positions setup - one to stay quiet (alternatives - enable not selected) and another to monitor channel (alternatives - enable selected).

Not sure if this helps. When I first set this up, I tried to select the protocol under D3 as "2 tone" and I was going down the wrong fox hole!!!

If this does not help I will leave it for others to respond. Good luck!

I just tried this, let's hope it works. Thanks!
 

Mr_Boh

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Joined
Oct 10, 2016
Messages
542
Location
The Land of Pleasant Living
Ok so the tones are generated by WAV files on the MCC. The Alert Tone 1 is a 6 second file. But you need to test this. You don't want to set it to 6 seconds since it's likely to miss. 4-5 seconds should be enough hopefully, but you really need to test.
 

Mr_Boh

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Oct 10, 2016
Messages
542
Location
The Land of Pleasant Living
Sorry - I edited after you replied. Safest thing would be to record the audio being transmitted and use something like Audacity to measure duration, but if you are letting it time out, I would say 4500-5000ms would be a good point to start testing. 6000ms is the full duration and if part of the transmission gets cut off because of scanning or something else, you are likely not to have the alert.
 

RBMTS

Active Member
Joined
Apr 28, 2002
Messages
1,095
To turn off the page tone every time someone talks change the "Alert Tone" to None in the D4 settings for the lines that are for a P25 TGID. You also may want to uncheck the voice storage option, otherwise the recorder will keep a voice record of every transmission.

86432
 
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