Two Letter Key-ins in Microstation V8

Two Letter Key-ins is a important feature in Microstation V8. Here you will find a set of microstation two letter key-ins for all beginners and experts. This tutorial is very helpful and a mast matirial for photogrammetry and lidar professionals

Two Letter Key-ins for view manipulation 
OF= Turn off levels by number
ON= Turn on levels by number
SV= Save view
VI= Attach saved view
DV= Delete saved view
Two Letter Key-ins for Text and dimensioning in Microstation V8
FT= Active font
DF= Opens font dialog box
TH= Active height
TW= Active width
TX= Active height and width
LS= Active line spacing
TI= Tag Increment amount
LD= Dimension level
TV= Upper and lower dimension tolerance limits
Two Letter Key-ins for Settings in Microstation V8
AA= Active angle
AS= Active scale
XS= Active x scale
YS= Active y scale
ZS= Active z scale
GU= Master/Grid.
Two Letter Key-ins for Microstation V8 Training 
KY= (Snap) Divisor
UR= (Unit Lock) Distance
Set element and pattern attributes
AP= Active pattern cell
LV= Active level
CO= Active color
PA= Active pattern angle
LC= Active line style
PD= Active pattern spacing
WT= Active line weight
PS= Active pattern scale.
Two Letter Key-ins for Precision input in Microstation V8 Training
XY= <x,y,z> from origin along design files axes
DI= <distance, direction> from last data or tentative point relative to view axes
DL= <Dx, Dy, Dz> from last data or tentative point in design coordinates
DX= <Dx, Dy, Dz> from last data or tentative point in view coordinates
Two Letter Key-ins for Cells
AC= Set active cell and select place active cell tool with relative off
AR= Set active cell and select place active cell tool with relative on
CM= Place active cell matrix tool
PT= Active point
LT= Active terminator
TS= Terminator scale
CR= Edit cell information
CD= Delete cell from cell library
CC= Create cell
3D modeling
DP= Set the display depth from 0.0 of view's z-axis
DD= Distance to move display depth from current values
AZ= Set the active depth from 0.0 of the view's z-axis
DZ= Distance to move active depth from current value
File management
RD= Open design file
XD= Open design file with active design's view configuration
RC= Attach cell library
RF= Attach reference file
DR= Displays contents of a text file
CT= Attach color table
AM= Attach and activate menu
AT= Activate tutorial
Digitizing in Microstation V8
SD= Active stream delta
ST= Active stream tolerance
User command
UC= Activate user command
UCC= Compile user command
Other in Microstation V8
FF= Copy fence contents to new design file
GO= Global origin
SF= Move fence contents to new design file