April 2004
2-12 Initial Setup
Keypad
The PT878GC keypad has 25 keys. The functions for each key
are as follows (see Figure 2-7 on the next page):
•3 function keys ([F1], [F2], [F3]) — enable you to select the
special functions which appear at the bottom of the screen.
•12 numeric keys (including - and .) — enable you to en ter
numeric data.
•4 arrow keys ([W ], [X], [S], [T]) — enable you to move
through the menu options.
• [?] — Help key enables you to access on-line help.
•[MENU] — Menu key enables you to access the Menu Bar.
•[ENTER] — enables you to enter a particular menu, and
enters selected values into the TransPort memory.
•[SEL] — enables you to move between data measurements on
the screen.
•[ESC] — enables you to exit menus or menu options at any
time; cancels numeric entry.
•Red key [ ] turns the power on or off, and toggles the
backlight on or off.