HP HP-11C User Manual

Appendix D: Battery, Warranty, and Service 231
The batteries supplied with the calculator, as well as the batteries
listed below for replacement, are not rechargeable.
The following batteries are recommended for replacement in your
HP-11C:
Alkaline Silver-Oxide
Eveready A76* Eveready 357*
Union Carbide (UCAR) A76 Union Carbide (UCAR) 357
National or Panasonic LR44
Low-Power Indication
An asterisk (*) flashing in the lower-left corner of the display when
the calculator is on signifies that the available battery power is
nearly exhausted.
With alkaline batteries installed:
o The calculator can be used for at least 2 hours of continuous
program running after the asterisk first appears.t
o If the calculator remains turned off, the contents of its
Continuous Memory will be preserved for at least 1 month
after the asterisk first appears.
With silver-oxide batteries installed:
e The calculator can be used for at least 15 minutes of
continuous program running after the asterisk first appears.’
e If the calculator remains turned off, the contents of its
Continuous Memory will be preserved for at least 1 week after
the asterisk first appears.
Installing New Batteries
The contents of the calculator’s Continuous Memory are preserved
for a short time while the batteries are out of the calculator
(provided that you turn off the calculator before removing the
batteries). This allows you ample time to replace the batteries
* Not available in the United Kingdom or Republic of Ireland.
t Note that this time is the minimum available for continuous program running that is, while con-
tinuously “operating” (as described in the footnote on the preceeding page). It vou are using the
calculator for manual calculations a mixture of the idle and “operating”™ modes the calculator
can be used for a much longer time after the asterisk first appears.

HP HP-11C Specifications

General

Brand	HP
Model	HP-11C
Category	Calculator
Language	English