HEIDENHAIN iTNC 530 User Manual page 187

Search for tool names in the selection window
In the pop-up window for tool selection you can search for tool names:
U Press the FIND soft key
U Enter the desired tool name and confirm with the ENT key: The TNC
highlights the next line in which the tool name being searched for
occurs
Example: Tool call
Call tool number 5 in the tool axis Z with a spindle speed of 2500rpm
and a feed rate of 350mm/min. The tool length is to be programmed
with an oversize of 0.2mm, the tool radius 2 with an oversize of
0.05mm, and the tool radius with an undersize of 1mm.
N20 T 5.2 G17 S2500 DL+0.2 DR-1
The character D preceding L and R designates a delta value.
Tool preselection with tool tables
If you are working with tool tables, use G51 to preselect the next tool.
Simply enter the tool number or a corresponding Q parameter, or type
the tool name in quotation marks.
HEIDENHAIN iTNC 530 187