HP 7475a, Operation And Interconnection Manual

Page: 40 / 101

17.
18.
19.
NOTE:
The plotter's
...... lINE
switch must be
ON
in order to have any communication between
the terminal and the computer.
•
US/MET
-
This rocker switch is used in com­
bination with the
A4/A3
rocker switch to select
one of four possible default paper sizes with
the appropriate sized hard-clip limits and de­
fault PI /P2 coordinate values. The positions
of the
US/MET
and
A4/A3
switches are checked
only when power is first turned on, or when a
front-panel reset is invoked using the
ENTER +
VIEW
pushbuttons. Refer
to
the
A4/A3
switch for
combination switch settings.
,
A4/A3
-
This rocker switch is used in com­
bination with the
US/MET
rocker switch to
select the default paper size. Combination
switch settings of the
US/MET
and
A4/A3
switches are as follows:
Combination Selected Default
Switch Settings Paper Size
US/A4
ANSI A
US/A3
ANSI B
MET/A4
ISO M
MET/A3
ISO A3
After power is turned on, paper size can be
toggled between A and B or A4 and A3 sizes
using the front-panel
ENTER
+
SIZE
push buttons.
BAUD
-
These four rocker switches are used
I
to select a baud rate which corresponds with
your computer's data transmission rate. The
I,. 8 I. if
0
baud rate is selected by setting switches
81
through
84
to the appropriate binary bit posi-
'.4flff
�
tions defined in the following table. When set
to "external," the baud rate is generated by
an external clock connection at pin
17
of the
RS-232-C/CCITI V.24 connector. For specifi­
cations of the external clock, refer to Chapter
10 in the Interfacing and Programming
Manual.
2-22
PLOTTER OPERATION