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Getting Started
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Your basic HP-41C is shipped fully equipped; the batteries will be installed by
you or your dealer. If you turn on your HP-41C and the BAT annunciator in the
display appears, or batteries are not installed, refer to Batteries,
page 240.
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Operating Keys
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ON
Key
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To begin, press ON.
The ON key turns the HP-41C power
on and off, the HP-41C will automatically turn itself off after 10 minutes
of inactivity. You can turn it on again by simply pressing
ON.
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Each time the HP-41C is turned on, it ‘‘wakes up’’
in normal or USER mode; whichever was active when the calculator was turned off.
If you were in PRGM (program) or ALPHA (alphabetic) mode when the
calculator turned off, when you turn it back on again, these modes will not
be active.
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USER
Mode Key
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The USER
mode key allows you to customize your HP-41C, placing functions where
you want them on the keyboard. When you press
USER, the USER annunciator in the
display turns on to let you know the calculator is in USER mode. To take
the HP-41C out of USER mode, simply press USER
again; the USER annunciator will turn off. Try it now:
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