[R-390] R-391 Set-up

[Nick England]

The R-391 manual is available at
http://bama.edebris.com/manuals/military/r391/

The AN/FRR-33 is the full setup - Its manual has info on the dial-up
control box, etc.
Radio Receiving Set, AN/FRR-33
Reference: TM 11-871
NSN: 5815-00 503-1501
Components: CU-286/FRR-33 Antenna Coupler, CY-1119/U Electrical
Equipment Cabinet, PP-629/URR Power Supply, 2 ea R-391/URR Radio
Receivers, C-975/URR Receiver Control, C-973/FRR-33 Remote Switching
Control, C-974/FRR-33 Selector Control
Weight: 800 lbs
Size: 20-13/16 x 21-27/32 x 76
Mode: A1, A2, A3, F1
Frequency Range: 0.5-32 MHz in 32 Bands
Power Input: 115/230 VAC 48-62 Hz 1475 W
Part of: FRR-33
Description: Radio Receiving Set AN/FRR-33 is a dual-diversity
equipment used for minimizing the effects of fading in radioteletype
signals. It is operated in conjunction with Radioteletype Terminal
Equipment AN/FGC-1 in fixed plant military communication applications
at higher headquarters. This equipment includes two identical radio
receivers, an antenna coupler, a selector control, and a power supply
for the receiver autotunes, all of which are rack-mounted in a steel
cabinet. A complete diversity antenna system, providing two rhombic
antennas for each set, is required but not supplied with this
equipment. As many as three AN/FRR-33 systems can be controlled by the
remote switching control,
Manufacturer: Collins Radio Co.
Cost: $9087.23
Nick England K4NYW
www.navy-radio.com


On Tue, Jan 21, 2014 at 9:24 PM, Raymond Cote
<bluegrassdakine at hotmail.com> wrote:
> I was waiting to see the link to a 391 manual but responder clicked "reply not reply all"  Wish folks would use "reply all" most times
>
> Rick would you share the link for manuals?   I guess I could find some if I spend time with Google.
> Thanks
>
>
> Before I came here I was confused about this subject.  Having listened to your lecture I am still confused. But on a higher level.
> Enrico Fermi
>
>> On Jan 21, 2014, at 19:18, "Rick Popovich" <RickP at uei.csus.edu> wrote:
>>
>> Thanks to all who have responded, the link to the manual is exactly what
>> I needed, I have already started getting familiar with the various
>> connections and operating steps/ procedures.
>>
>> Hopefully in a few more days I can give it a go and see how the
>> auto-tune works - if it works. I will be taking my time on this step to
>> avoid any mistakes.
>>
>> Best regards and many thanks!
>>
>> Rick Popovich
>>
>>
>> -----Original Message-----
>> From: r-390-bounces at mailman.qth.net
>> [mailto:r-390-bounces at mailman.qth.net] On Behalf Of Roy Morgan
>> Sent: Tuesday, January 21, 2014 4:46 PM
>> To: Phil Mills
>> Cc: R-390-List
>> Subject: Re: [R-390] R-391 Set-up
>>
>>
>>> On Jan 21, 2014, at 5:32 PM, Phil Mills <pmills7 at comcast.net> wrote:
>>>
>>> It has been quite a few years since I had my one and only R-391, but
>>> my guess is that the connector marked "auto tune" is for the 28 vdc
>>> necessary for the autotune motors.
>>
>> Not exactly, as I remember.  (I have not checked the manuals).
>>
>> As I remember, the 28 volt supply is brought in from the main AC supply
>> connector, along with the 115 volt line current,
>>
>> Th other multiple pin connector is used to REMOTELY select any of the
>> pre-set frequencies.  Without checking the manuals, I don't know how the
>> system is set up to not respond to the local channel switch.
>>
>> Roy
>>
>> Roy Morgan
>> RoyMorgan at alum.mit.edu
>> K1LKY Since 1958
>>
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