Underneath the foot is a reset hole with the letter "R" beside it. If the HP 48 will not accept input from the keyboard, bypass the keyboard and attempt a system halt using the reset hole in the back of the unit. The stack and the temporary system storage section of memory will be cleared, and the calculator will return to the HOME directory with the MTH menu keys displayed. System halt A system halt will interrupt and cancel all executing programs and system operations. Verify that batteries are installed according to the diagram below. If this happens, try to interrupt the system with a system halt or a memory reset. Description These procedures are used to help determine the best course of action for possible hardware problems with the HP 48g and HP 48gx calculators. How does HP install software and gather data? Create an HP account today! Calculator resets. See your browser's documentation for specific instructions. Modify your browser's settings to allow Javascript to execute. Error: Javascript is disabled in this browser. Connect with HP support faster, manage all of your devices in one place, view warranty information and more. Audio or sound issues? Try our automated HP Audio check! Click here.
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