Rear - HP 7475a Operation And Interconnection Manual

Rear Panel
1 1.
OPERATION
2-20
PLOTTER
Defines the current pen loca­
-
ENTER + Pl/P2
tion as the new P I or P2 scaling point. Re­
member to set PI first, since P2 moves when
to
PI is moved. Refer
entitled Setting the Scaling Points.
\
- Rotates the coordinate system
ENTER + FAST
9 0 ·degrees from its current state. Refer to the
section in this chapter entitled Rotating the
Coordinate System.
Stores the pen currently held
-
ENTER + PEN#
in the pen holder into the corresponding num­
bered carousel location, if possible. The pen
holder then returns to its previous location.
Resets all power-up default
ENTER + VIEW -
conditions. This is the same as turning the
power off and then on again.
NOTE:
If the pen holder is moved manually,
or an obstruction is encountered, the serv�
motors become inoperative and the
starts blinking. In this case, the plotter will
not respond to
ENTER
front-panel control. The only way to correct
this situation is to remove the obstruction
and cycle the
.... .., LINE
. •
agai n
(digitizing) -
ENTER
light or will blink when the plotter
(e/A3 AlA4)
receives the HP·CL instruction, DP. This blink­
ing light indicates the digitizing mode is ini·
tiated and the pen should be moved to the
point to be digitized. If
the paper-size light stops blinking and the
X-
actual and V-coordinates of the point and
the pen status (up or down) are stored in the
plotter's output buffer. This data is output to
the computer when the plotter receives the
HP-CL instruction, OD. Refer to the [nterfae­
ing and Programming Manual for complete
digitizing instructions.
This rocker switch controls application of ac
power to the plotter (refer to Line Voltage
Selection).
the section in this chapter
ERROR
+
or any other
VIEW
switch to then
OFF,
The current paper-size
is then pressed,
ENTER
light
ON