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EVFU Default
The default EVFU will be generated based on the current form length and lpi setting under the following conditions:
▪ When the printer is initialized
▪ When either the forms definition or lpi setting is changed
▪ When the start EVFU load escape sequence ESC ] is immediately followed by the end load sequence ESC \
▪ When the emulation is changed from P Series or Dataproducts, to
ANSI
The following chart shows how the default EVFU table is defined:
CHANNEL
1
2
3
4
5
6
7
8
9
10
11
12
DESCRIPTION
Top Margin (first line
Bottom Margin (last line)
Single Spacing
Double Spacing
Triple Spacing
Half Form
Quarter Form
Tenth Line
Bottom of Form (bottom margin)
Bottom of Form minus 1 line
Top of Form minus 1 line (last line this form)
Top of Form
Skip to Channel Command
ESC [ p1 ; p2 ! p GENVFU (VFU Channel Command): Commands vertical paper movement to the channel specified by the number formed by p1 and p2. Valid channel numbers are in the range 1- 12.
0;1 - selects channel 1
0;9 - selects channel 9
1;1 - selects channel 11
Channel 1 is always used for TOF; channel 12 is always used for vertical tab. When the channel number is greater than 12, the program defaults to channel 1. If the table has not been loaded and a channel command is received, it is ignored.
Decimal:
Hex:
BASIC:
27 91 <p1> ; <p2> ! 112
1B 5B <p1> 3B <p2> 21 70
CHR$(27);"[<p1>;<p2>!p";
Chapter 2. ANSI Emulation
44
GEK-00029B
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