Figure 2 shows the location of the keys on the calibrator. Table 2 lists the
functions of each key.
Table 2. Key Functions
No. Name Function
1 Function Keys F1, F2, F3 Used to operate the menu bar at the bottom
of the calibrator display. F1 is used for
selecting options in the left box, F2 for the
center box, and F3 for the right box.
2 Back Light  Turns back light on and off.
3 Home Returns to home menu on the menu bar.
4 Power Turns calibrator on and off.
5 0% Recalls from memory a source value corre-
sponding to 0% of the span and sets it as
the source value. Sets to 0% of span a value
entered through the keypad.
6 25% Cycles through the output span in 25%
increments.
7 100% Recalls from memory a source value corre-
sponding to 100% of the span and sets it as
the source value. Sets to 100% of span a
value entered through the keypad.
8 Numeric Keypad Allows user to enter Numeric values.
6
Figure 2. Keypad