This is a pretty dead place; what's to do?
Hint 1 of 7:
Investigate the area around the bar.
Hint 2 of 7:
Be careful to look for anything lying around... even on the floor.
Hint 3 of 7:
You'll retrieve several items from this area for your inventory.
Hint 4 of 7:
One is a sonic tuner.
Hint 5 of 7:
You may find a blue mug on one of the tables in the adjacent restaurant (if
you haven't already picked up another mug elsewhere); get it.
Hint 6 of 7:
Another item is on the guy sleeping at the bar.
Hint 7 of 7:
It's an air gun, located on his belt.