I need Pioneer AXd7248 remote control manual that I can download.

Just buy a replacement remote made for the device.

Remote Control - Pioneer VSX-1019AH Operating Instructions ...

www.manualslib.com > manual > Pioneer-Vsx-1019ah

Pioneer VSX-1019AH Manual Online: Remote Control. RECEIVER 1 DVD BD TV CD 2 iPod USB TUNER INPUT SELECT 1 SIGNAL SEL MCACC 4 3 SBch 7 ...

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Buy Generic Remote Control Fit for VSX-1019AH-K VSX-1019AHK VSX-522-K AXD7536 7.1-Channel for Pioneer AV A/V Receiver System: Remote Controls ...

https://www.google.com search shows several for sale with manual:

https://www.remote-control-world.eu/rc-for-audio-hifi-pioneer-c-12_331/pioneer-xxd3107-replacement-remote-control-p-5139

Hello Laurence, you can not enable the subwoofer output, from the equipment, only with the remote control
You should buy a new one, I will send you the link to download the user manual and have a reference of the remote control
I hope you can solve the problem
Greetings Franco Dosil

Hola Laurence, no puedes habilitar la salida subwoofer, desde el equipo, solamente con el control remoto
Deberias comprar uno nuevo, te envio el link para que descargues el manual de usuario y tengas referencia del control remoto
Espero puedas resolver el problema
Saludos Franco Dosil
https://www.pioneerelectronics.com/PUSA/Unassigned-Content/Manuals/ci.Operating+Instructions+VSX-D498.Protected

https://www.amazon.com/Replacement-Control-PIONEER-VSXD498-CUVSX157/dp/B009D5IXA2

https://www.aliexpress.com/item/Remote-Control-For-Pioneer-VSX-D498-AXD7662-8300766200010IL-VSX-42-AXD7632-VSX-500-VSX-300-VSX/32851398929.html

Hi Kelly.
not sure if this is what you are after but go to this link and see if you can see the manual you are looking for.
USER MANUAL FOR REMOTE AXD7248 Google Search

Refer its user manual for details. Try this link to download the manual.
http://www.retrevo.com/samples/Pioneer-manuals.html

You can purchase the manual here:
http://www.partstore.com/Part/Pioneer+Electronics/Pioneer/PRO510HDKUXCCA/Pioneer+Electronics/Pioneer/ARB1527/New.aspx

The remote control can be purchased here:
http://www.partstore.com/GetBasket.aspx?skuid=5b342238471c5cb68606f6aae135f74ea51d397de2774c30&f=True

I can help you with your Pioneer Receiver & DirecTV remote control.

This is a list of all the Pioneer Receiver control codes for DIrecTV remote controls:

31023, 30150, 30244, 30289,
30531, 30630, 30801, 31123,
31343, 31384, & 31935.

There are so many codes to try for Pioneer Receiver and DirecTV, you might want to go ahead and do a DirecTV Remote Control Code Search.

I hope that helps.
_________________________________________
DirecTV Remote Control Code List Download
DirecTV Remote Control Manual Download
DirecTV Remote Control Code Entry
DirecTV Remote Control Code Search
DirecTV Remote Control Onscreen Setup

portablemedia.manualsonline.com/manuals/.../pioneer/pioneer_dvr_dvr810hs.html

or

http://www.pioneerelectronics.com/PUSA/Support/HomeEntertainment/Blu-rayDisc+DVD/PioneerDVDPlayers+Recorders/ci.DVR-810H-S.Support

COPY AND PASTE EITHER ONE OF THE ABOVE LINKS IN YOUR ADDRESS BAR TO BRING YOU TO YOUR USER MANUAL DOWNLOAD.

COPY AND PASTE BELOW LINK IN YOUR ADDRESS BAR TO PURCHASE REMOTE.

Pioneer.PartStore.com

Remotes.com

ebay.com

pioneer.newremotecontrol.com/PioneerDVD.php

Pioneer VSX-D509S A/V Receiver Owner's Manual contains Instructions and codes. 509S remote in the manual is the same as AXD7248. Learning mode also allows you to program multiple remotes into a single Multi Control Key. I successfully programmed keys from both DVD-R and TV remotes in the 7248 DVD Control. VSX Manual available at: http://www.manualnguide.com/dl/6011.

Your remote control will only control RCA audio components, no codes are available for Pioneer and you are lucky if it works at all.

Your user manual is available for download and option printing at the following link :
http://www.retrevo.com/s/RCA-D770-Universal-Remotes-review-manual/id/402ci568/t/1-2/