71
Automatic CO
2
gas supply line changeover
When an optional gas auto changer MCO-21GC is installed, CO
2
gas supply line indicator A・B and
CO
2
gas supply line select key are displayed in the Top screen. CO
2
gas supply line indicator A or B
being used is lighted.
CO
2
gas supply line indicator A and B CO
2
gas supply line select key
CO
2
gas supply line being used