TABLE 1.

iView panel to isocenter plane measured distances in millimeters

Machine	iView panel location for panel to isocenter measurement (mm)
	Gantry‐A	Target‐A	Gantry‐B	Target‐B	Center
A	588	593	589	595	592
B	589	594	590	595	593
C	593	598	593	598	595
D	590	595	589	596	593
E	580	581	581	580	579
F	585	586	586	587	586
G	583	586	584	587	585
H	589	594	590	595	593
I	590	594	590	594	591
J	598	601	598	601	600
Mean	588	592	589	593	591
St Dev	5	6	5	6	6
Range (Max–Min)	18	20	18	21	21