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Operating Information
AM700 Audio Measurement Set Service Manual
2–9
The nonvolatile memory of the AM700 is maintained by an internal backup
battery. Stored data will be retained for the life of the battery. A fresh battery
installed at the factory has a life of greater than 10 years when operated and
stored at an ambient temperature between 0° C and 50° C.
NOTE.
The backup battery used to retain stored data has an operating life of
greater than 10 years when operating between 0° and 50°
C. If operating out of
that range for extended periods of time the battery life may be reduced or stored
data may be lost.
AM700 Setup for Operation
Turn the AM700 on. Unless otherwise directed, it runs the power-up diagnostics
and loads the FFT Analyzer application.
After completing the power up diagnostics and loading of the FFT application,
you may select any of the applications you wish to use from the Applications
section of the front panel buttons (see Figure 2–7). After making another
application request, you should wait until that application is running before
making another choice or button press. It takes some 30 seconds to load an
application, during which time the action of other button presses will not be
seen, but they will be answered after the application is running.
Figure 2–7: Applications selection buttons
To bypass the power-up diagnostics and go directly an application other than
FFT, press and hold the application button in when turning on the power to the
AM700. Hold the button in until a double beep is heard; then it may be released.
The AM700 starts up in quick start mode with the selected application loaded.
Backup Battery
Bypassing Diagnostics