The following are Shortcut Keys to various areas with the PMS.
F1 - Property Dashboard
F2 - New Reservation
F3 - Advanced Reservation Search
F4 - Change Stay
F5 - Check-In (only available from Arrivals View Screen)
F6 - Check-Out (only available from the In House & Departures View Screens)
F7 - Guest Profile Module
F8 - City Ledger Module
F9 - Housekeeping Module
F11 - Room Assignment Calendar
F12 - Inventory Calendar
Ctrl + S - Advanced Reservation Search