G20/G21 or G70/G71 Input in Inch/Metric

Format

G20/G21/G70/G71

Description

• G20/70: input in inch.
• G21/71: input in metric.

This group of G commands is defined at the beginning of the program block. If one of them is specified, the units of all subsequent operations will be changed. If not specified, the default unit is metric.