Ametek 7280 Instruction Manual page 19

4) Press one of the keys adjacent to the Configuration menu item to enter the
Configuration menu, shown below in figure 2-8.
5) The present line frequency setting is shown in reversed text under the
LINE FREQUENCY label and is either 50 or 60 Hz. In figure 2-8, the filter is set
to 60 Hz. If this setting does not match the prevailing line frequency, then press a
key adjacent to this item once to change it.
6) Press the key marked MAIN DISPLAY once to return to the Main Display.
This completes the procedure for adjusting the line frequency filter.
Chapter 2, INSTALLATION & INITIAL CHECKS
Figure 2-7, Main Menu 1
Figure 2-8, Configuration Menu
2-7