I would recommend reaching out to GunVault directly for additional copy of instructions for your SpeedVault Digital Handgun Safe. Their contact information can be found linked below:
https://gunvault.com/about-us/contact-us/
You will need to contact the manufacturer.
No, unfortunately not.
You will need to contact GunVault directly for troubleshooting assistance.
The manual can be found here and will explain how to reset the code: https://cdn.gunvault.com/wp-content/uploads/2018/05/SPEEDVAULT-MANUAL.pdf
Yes, it can be mounted horizontally as well.
The manual can be found here and will explain how to reset the code: https://cdn.gunvault.com/wp-content/uploads/2018/05/SPEEDVAULT-MANUAL.pdf
Without knowing the barrel length, that's difficult to say.
SpeedVault's "Pistol To Product Guide" shows that a 2-3" small/medium 5-shot revolver will fit, 4" and longer do not fit.
Here's a link to the "Pistol To Product Guide":
http://www.gunvault.com/pistol-to-product-guide/?gunId=
Mark H.
We recommend contacting the manufacturer for this inquiry.