[Scan-DC] Gullfoss: What Am I Doing Wrong?

[b_thom at juno.com]

I have this old scanner I found a few years ago, a Regency R1040. It's a
ten-channel programmable scanner, with LEDs to tell which channel you're
on, but no display. I fired it up soon after I got it and programmed it
with some railroad frequencies and the NOAA weather radio station in
Manassas. After noting that the antenna jack was loose, I put it away. A
few days ago, during some intense cleaning, I came across it again and
decided to fix the antenna jack. You can imagine how surprised I was to
see that after all these years, with no battery inside as far as I can
tell, it still had my years-old frequencies programmed.

It's a desktop scanner, capable of running only on 117 volts AC. I
thought I would explore the possibility of making it able to run on a car
battery, so I took its FCC registration number, ARU9PMR1040, and turned
to Gullfoss to see if there was a schematic online.

http://www.fcc.gov/oet/ea/
and click on "FCC ID Search."
https://gullfoss2.fcc.gov/prod/oet/cf/eas/reports/GenericSearch.cfm

I left the "equipment type" box empty, but I suppose this is a Part 18,
consumer device.

I must have done something wrong, as Gullfoss said: "There are no
applications on file that match the search criteria specified: Grantee
Code: ARU Product Code: 9PMR1040 Applicant Name: Regency." I'm not
interested in applications; I want information on something that was
approved long ago. Will someone please tell me which page at the FCC is
the one I should be looking at? 

This scanner must be a good twenty-five years old, but I am of the belief
that any scanner that can be programmed to pick up the NOAA weather radio
stations is worth keeping. However, if said scanner runs only on 117
volts AC, it won't be of much use in a power failure. I figure if I can
add a DC power jack to this scanner in under an hour, my effort will be
worthwhile. If it takes longer than that, then the effort may not be
justified. I'm also interested in learning more about this scanner. I
don't care about sensitivity; I'd like to know what its frequency
coverage is.

Thanks for listening.