METRON QA-45, User & Service Manual, Page: 18 / 74

3. Operating QA-45
This chapter explains the operating controls, switches and menus of
the QA-45, details how to use them in testing , and provides general
information on printouts and operator maintenance.
3.1 Control Switches
and Connections
Top Panel
1. Power Switch Turns the power on and off.
2. Mode Switch Switches between PACE and Low / High ranges of defibrilla-
tor energy.
3 LCD Display Shows messages, test results and function menus.
4 Function Keys Fl - F5 are used to select the functions shown on the bottom
line of the LCD display, i.e., for selecting the function that is
directly above the key.
5. Contact Surfaces The defibrillator’s paddles are placed on these so that the
discharged energy passes through the instrument in defib.
mode and that the pacer signal passes through the instru-
ment with a fixed 50 ohm load in the PACE mode.
1