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F70DS/F3161 question

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Matted33

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At work I have been using my personal radio in addition to the radio mounted in the cab of my train. I've noticed a delay on my portable (Icom) radio where I miss the first word or two of the transmission while the cab radio picks up everything. I don't have this problem in my Motorola XTS or my Vertex 800 or 900. Any idea why?
 

12dbsinad

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Do you by any chance have MDC enabled in your Icom's but dont use it at work?
 

Matted33

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I have MDC enabled and so do the cab radios. Terminal dispatchers and the control center do not.
 

ScanWI

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This could be two things, A non-priority background scan that is enabled or the RX power save feature is turned on. If I were to guess I would choose the Power Save.
 

SCPD

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How many channels per zone or scan lists are you scanning? This may have effect on non priority channels. Xts your limited to 15 plus 1 for scan. The icom 3161 allows longer list of scan and such but longer it is has effect on things. Set the priority channel to selected by knob then you can adjust the hang time to hold after a rx on a channel longer or shorten it to immediately scan roght away after a rx on a channel. I have both the models you do also work related and personal.
 

SCPD

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Power save slightly effects the issue during allot of traffic on various channels. I'd also check and compare the scan hold and hang times.
 

Matted33

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I'll have to see if the changes I made will help when I work next. I don't tthink it has to do with scanning though since I don't have to scan at all.
 

jeatock

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Icom is not the whippiest scanning radio in the world. They prefer slow-and-steady. Power save can mess with scan and CTCSS decode big time. If you have the F70 hi-cap battery (the BP-number escapes me but it's the one big enough to jump start a truck) you already have an all-day battery without power save.

Also, "CTCSS Attack" speed hidden in the deep dark reserved corners of the software can be an issue if the transmitters have low CTCSS deviation or less than optimum signal to noise ratios. Lowering CTCSS Attack can speed things up, but can also result in false tone decodes.
 

MTS2000des

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it's in a hidden menu known as MAKER RESERVE mode. CAUTION: if you modify these settings without reading the radio, you can screw up alignment of your radio. Use at your own risk.

Load your CS-3160 cloning software, READ THE RADIO FIRST and SAVE THAT FILE before proceeding. Click the "help" then "about" box in the CS. While this is open, type the word "reserve". You will get a warning about being in MAKER RESERVE and a new menu will appear in the menu tree allowing you to access these values.

WARNING: always write down what you change if something goes wrong. Always work off a READ from radio file in MAKER RESERVE.

You assume full responsibility if you hose anything up.
 

jeatock

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it's in a hidden menu known as MAKER RESERVE mode. CAUTION: if you modify these settings without reading the radio, you can screw up alignment of your radio. Use at your own risk.

Load your CS-3160 cloning software, READ THE RADIO FIRST and SAVE THAT FILE before proceeding. Click the "help" then "about" box in the CS. While this is open, type the word "reserve". You will get a warning about being in MAKER RESERVE and a new menu will appear in the menu tree allowing you to access these values.

WARNING: always write down what you change if something goes wrong. Always work off a READ from radio file in MAKER RESERVE.

You assume full responsibility if you hose anything up.


I am quoting MTS because he is dead center spot on. In full, exactly and accurately.

I'm enough of a coward to go so far as opening the cloning software first so it is clean with no 'artifacts', doing whatever with the radio, then shutting the software back down (and restarting again before hooking up any other radio). That is the only way to exit MR mode.

The reason Icom calls it MAKER RESERVE is that you can muck up a radio in a heartbeat. Writing an icf file from another radio (or a blank file) while in MR will do evil things.

Note that all icf reads contain MR data. Alignment and other data in the MR menu is not written unless the CS-f is in MR mode when writing to the radio.

I THINK CTCSS Decode Attack is normally 140. Try reducing in increments of 10, but keep good notes. Radios are like snowflakes, each one unique.
 

BlueDevil

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I will be very careful moving forward. Thanks for all the advice!!
 
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