The Parameter Record  is located in Manager/Setup > Hotel control files setup.  Here are a few of the settings in the Parameter Record:

• Amount due to calculate at check-in:  one day or entire stay
• A pop-up asking if you want to post payment now:  No popup, cash only, or all payment types.
• Tape chart list:  by room number, by room type
• Default rate code (1-5, W, M, P)
• Night audit cut-off time
• Days to hold rooms for no-shows
• Multiple properties - company codes/companies to include is availability screen/tape chart
• Passwords: overbook, etc.

• RC* and RT*:  You can specify a dollar amount for Room Charge and Room Taxes or you can allow Execu/Suite to calculate them based on room type and season/date.
• Incidentals:  Incidental charges can post per room, per adult, per child, or per adult and child.  Alternatively incidental charges can post a defined percentage of total charges (excluding RT* and ST*).
• Packages can be set to post each item separately; one line per night, one line per night with taxes separately; or one line per stay.
• Packages can be set to post nightly, the first night only, or incidentals the first night and room charges nightly.