Joe,

I am not aware of any means to perform a realignment.  The design of the
radio precludes that option.

73, Eric Lemmon WB6FLY
 

-----Original Message-----
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Joe
Sent: Tuesday, December 30, 2008 3:50 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] R1225 below 444Mhz?

Thanks Eric,

Is it possible to realign the R1225 with software to improve performance 
out of band?

73, Joe, K1ike

Eric Lemmon wrote:
> Joe,
>
> No hack is necessary. Simply use the "Shift Key Technique" to enter
> frequencies down to 434.000 MHz. To do this, open the RSS and tab into the
> RX or TX frequency window. Hold down the shift key, and type in the first
> three digits. Release the shift key and type in the decimal point. Again
> hold down the shift key and type in the remaining digits, including all
> trailing zeroes. Then, tab out of that window. The frequency you entered
> will appear in the window.
>
> Please understand that the above technique will program the R1225 for
> out-of-band frequencies, but the RX and TX performance will rapidly
> deteriorate, the further out of band you go. Expect the RX sensitivity to
> decrease as you go below 444 MHz, and the TX power amplifier will not be
> happy- so reduce the power setting. The R1225 does not have a built-in
> circulator like its high-tier cousins, so there is a risk of burning up
the
> PA with out-of-band operation. Good luck!
>
> 73, Eric Lemmon WB6FLY
> 
>
> -----Original Message-----
> From: Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com> 
> [mailto:Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com> ] On Behalf Of Joe
> Sent: Tuesday, December 30, 2008 3:14 PM
> To: Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com> 
> Subject: [Repeater-Builder] R1225 below 444Mhz?
>
> Is there a hack to program the Motorola R1225 under 444Mhz?
>
> 73, Joe, K1ike
>
> 



 

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