Genicom GEK 00031B - Manual (Page 250)

Chapter 8. PPL3 Plus Emulation GEK-00029B 250
VPA (Continued)
Error Handling
Be aware that VPA interacts with coordinate system bounds.
VPB Vertical Position Backward: Moves the active vertical position up by
the specified number of units. The horizontal position does not
change.
Source: Application
Destination: Level 3
Format
CSI Pn k
Description
Select the VPB parameter as follows:
Pn Meaning
0 Interpreted as 1.
n
Number of units, depending on PUM and
SSU.
Error Handling
Note that this command interacts with coordinate system bounds.
If the Pn is more than the current vertical position, then the current
vertical position is set to top margin and the first character flag is set.
There is no change if Pn is less than 5 decipoints.
VPR Vertical Position Relative: Moves the active vertical position down
by the specified number of units. The horizontal position does not
change.
Source: Application
Destination: Levels 2, 3
Format
CSI Pn e
Description
Select the VPR parameter as follows:
Pn Meaning
0 Interpreted as 1.
n Number of units, depending on PUM and
SSU.
VPR leaves the First Character Flag unchanged if PUM is reset. If
PUM is set, the First Character Flag is cleared.