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Vertical tabs in channels
This next pair of commands, which lets you store and use several different
sets of vertical tabs, is rarely used. They’re mostly for putting data into
preprinted forms, or for unusual reports that need different tab settings on
different pages.
The basic idea is that different sets of tabs get stored in what the Epson people
call channels (think of them as separate columns of tab stops). You can store
up to eight different channels, so long as they total no more than 64 tab stops.
To set tab stops for a given channel (shown here as c ), send this command:
<ES0 b c nl n2 . . . n64 <NUL>
This is much the same as the regular vertical-tab setting command, with the
addition of the channel c (in place of which you put a number from 0 to 7).
The nl and n2 and so on are the line numbers where you want to set vertical
tab stops; again you can set tabs at any of up to 254 positions.
You can clear all the tabs in a channel by not following the channel number
c with any stops, but just the <NUL>.
To move the print position to tab stops in a channel, send this command:
<Esc> / c
where c is the number of the channel with tab stops you want to use. If that
channel has no tab stops, this command will just produce a line feed.
CONTROLLING FONTS
Selecting fonts
When you first start EX-800 emulation, the Star LaserPrinter 8111 gives you
12-point ten-pitch Courier as its default font. But EX-800 commands can
give you most variations on font attributes, including subscripting, super-
scripting and underlining. Some of the commands in this section are
implemented by switching fonts, while others are derived from the current
font.
In a pinch, if you want to change fonts in EX-800 mode you can use the menu
on.the front panel.
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