Is there a way to open the cash register during a power outage?

[FineThings]

Is there a way to open the cash register during a power outage?

[VanKalkerFarms]

the drawers have a key to lock (and remove the key)  or to turn it to unlock the drawer and then you can remove the drawer insert.

[FineThings]

I feel silly now!  That was easy!

Thanks