[Milsurplus] Questions about the T-784 / GRC-109

[Brenda Gentry]

The shutters or sliders are to cover the tuning lamps.  The brass tube 
is most likely a dessicator, some rigs have it, some don't. The four 
holes at the extreme corners are for covers or lids that protect the 
panel and controls. Older transmitters use a cover with thumb screws, 
later ones use spring snaps to hold the cover on. I have seen at least 
these  two versions over the years. Mine have the spring snaps,  be 
careful, the springs are strong and ready to sting your fingers.

        B. Gentry,  KA2IVY

On 3/16/25 13:42, Brooke via Milsurplus wrote:
> Hi Hue:
>
> 1. Antenna tuning lamp
> 2. maybe G1, vibrator?
> 3. Don't know
> https://prc68.com/I/GRC109.shtml <https://prc68.com/I/GRC109.shtml>
> -- 
> Have Fun,
>
> Brooke Clarke
> https://www.PRC68.com
> axioms:
> 1. The extent to which you can fix or improve something will be limited by how well you understand how it works.
> 2. Everybody, with no exceptions, holds false beliefs.
> -------- Original Message --------
>> Date: Sun, 16 Mar 2025 01:33:58 +0000
>> From: Hubert Miller<Kargo_cult at msn.com>
>> To:"milsurplus at mailman.qth.net"  <milsurplus at mailman.qth.net>
>> Subject: [Milsurplus] Questions about the T-784 / GRC-109
>> Message-ID:
>> 	<PH0PR20MB43741D34C7D0A1CFAAD559AFE4DC2 at PH0PR20MB4374.namprd20.prod.outlook.com>
>> 	
>> Content-Type: text/plain; charset="us-ascii"
>>
>> I have a lone GRC-9 transmitter. Some questions i have about this:
>>
>>    1.  the device just below the power cable on front panel left, what is it ? It looks like some sliding cover requires manipulation, or what ?
>>    2.  the brass tube in the cabinet, left side, is that a dessicant holder ?
>>    3.  The 4 larger screws in the four corners of the front panel, these are Philips of what size ? I am guessing the previous dimwit owner removed these 4,
>> found these didn't allow opening the set, and then of course, lost the screws.
>>
>> Thanks !
>> -Hue Miller
>
>
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