
Scans by ArtekMedia © 2007
Loading Pens and
the Carousel
Suggested Pen Colors
and
Corousel
Positions
Loading the Pens
and
Carousel
applications is required. Slower pen speeds
are
achieved by issuing the
HP 7090 a VS instruction via the HP·IE interface - refer to the Interfacing
and Programming Manual.
The following procedure describes how to load pens into the carousel and
how to load the carousel into the HP
7090:
1.
Select the pen colors to be loaded into the carousel. The following table
lists suggested pen colors, although any combination may be used.
Keep in mind that, when plotting buffered data, the HP 7090 automati·
cally selects pens
1,
2, and 3 to plot Channels
1,
2, and 3, respectively.
You must manually select any of the pens loaded in the carousel for
plotting direct recordings, drawing grids, and labeling measurements.
Carousel
Pen Number
1
2
3
4
5
6
NOTCH
Pen Color and Type
Blue P.3
Green P.3
Red P.3
Gold P.3
Black P.3
Brown
P.3
PEN
COLLAR
Example
Application
Plotting Channel 1
Plotting Channel 2
Plotting Channel 3
Drawing Grids
Labeling
Miscellaneous
SPINDLE
2. Uncap and load each pen into the carousel as follows. Refer to the
preceding photographs.
a. Hold the carousel and depress the spring-loaded pen·capping
mechanism.
b. Position the collar of the pen just below the rounded notch on the
carousel and slide the pen straight into the pen-holding jaws.
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Instrument Description and General Operation