In addition to the control box shown in the drawing submitted by KC4TOS there is a more modern, rack-mounted version with a transilluminated panel and transilluminated knobs and dials in accordance with MIL-C-6781. Mike, W6MAB
On May 5, 2022 at 5:55 PM Michael Hanz <[email protected]> wrote:
It's no different than the original switching scheme, Hue, which is step tuned. The intent of the C-37/ARR-2A "electric tuning control adapter", which is synchronized with the compatible C-35/ARR-2A channel selection switch, was to eliminate the problems of long runs of flex tuning cable between the receiver and the control box. That allowed more flexibility for where they could install the receiver. The motor drive adapter was cleverly made to be capable of installation on the original R-4A/ARR-2 receiver. Attached is the installation diagram for the whole shebang.
-Mike KC4TOS
On 5/5/2022 5:07 PM, Hubert Miller wrote:
On Ebay now, this motor tuned ARR-2 receiver. I have not seen one before. So how was this controlled; is it continuous
or step tuned?
-Hue Miller
WWII Military Radio R-4A/ARR-2 Homing/Navigation Receiver
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