Using Special Features 4-19February 2005Setting Up User TablesTo support user-defined functions, the PM880 can hold up to 6tables of non-linear or empirical data. Users can enter up to 21X-Y pairs in each table. The user functions can supply an X valuewith Table (X). The meter then interpolates the Y value for agiven X, and substitutes it for Table (X) in the function. (Theresults are extrapolated if the X value exceeds the bounds of thetable.) To set up a user table:Accessing the User Tables Command1. If the menu is not active, press [MENU].2. Use the arrow key to scroll to Meter and press [ENTER].3. Use the arrow key to scroll to User Tables and press[ENTER]. A screen similar to Figure 4-9 below appears.Figure 4-9: The User Tables Window
