As mentioned above that video covers EVERYTHING on the ZW-L. There really isn’t anything better than the manual.
If your concern is how to operate with a Cab-1L or Cab-2 either read those manuals or I made this video for our members on our new layout. This is slightly different since we used Legacy PMs but should help on the remote operation.
the 993s are definitely going cheaper than the 990s. Really that’s up to you if you want to spend the extra money for a Cab-2. I love the Cab-2 so I’m definitely not saying don’t buy it but what everyone wants for it I find ridiculous.