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Section 2
Printer Operations
The HP 82160A HP-IL Module permits the calculator to generate printed output by connecting a printer to
the interface loop. The interface module adds powerful printing, graphics, special character, and plotting
capabilities to your system. To use the printer, all you do is follow the directions given in section 1 for
installing the interface module and connecting the HP-IL printer to the loop. Be sure the Print Function
Switch (located on the bottom of the interface module) is set to ENABLE and a plug-in HP 82143A Printer
is not connected. Refer to the owner's manual for the printer to determine any additional preparations
required for that device. The system is then ready to perform the operations described in this section.
*
The printer functions described in thin section include all of the functions available on the HP82143A
Printer, an earlier, plug-in accessory. Throughout this section, printer operations are illustrated using the HP
82162A Thermal Printer, an HP-IL peripheral. The operation of the interface module and the HP 82162A
Thermal Printer is almost identical to the operation of the HP 82143A Printer. In fad, programs written to
use the HP 82143A Printer will operate normally using the HP 82162A Thermal Printer.
†
Flags and the Printer
When you start using the printer operations discussed in thia section, you will find it helpful to know how
the calculator flags influence the operations.
The calculator uses up to six flags to control a printer-type device. Five of these flags (flags 12, 13,15,16,
and 21) are user flags—that is, you can set, clear, and test them. The other flag (flag 55) is a system flag—
it can only be tested. The effects of these flags are summarized below.
FLAG
SET
CLEAR
Flag 55:
Printer Existence
Indicates a printer is
connected to system.
Indicates no primer is
connected to system.
Flag 21:
Printer Enable
Performs printer operations
normally.
Ignores printer operations in
programs only.
Flag 12:
Double Wide
Prints and accumulates
characters double width.
Prints and accumulates
characters normal width.
Flag 13:
Lowercase
Prints and accumulates
letters in lowercase.
Prints and accumulates letters
in uppercase (except
a
through
e
).
Flags 15 and 16:
Print Mode
(not used for
HP82162A Thermal
Printer)
Flag 15
clear
clear
set
set
Flag 16
clear
set
clear
set
Print Mode
MAN (manual)
NORM (normal)
TRACE
TRACE with stack option
*
Refer to the owner's manual for the printer to determine which types of operations, if any. cannot be performed by your printer. Other
printer-type (output) devices, such as video displays, may generate output using the printer operations described in this section.
†
The few operational differences between the HP 82162A Thermal Printer and the HP 82143A Printer will he noted throughout this
section.
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