Can you post a picture of how the graph is incorrect? If you double-click on the Y axis you can set the min, max and increment.
I was able to reproduce Jim's version of the graph very easily.
Here's the JSL code:
Graph Builder(
Size( 525, 454 ),
Show Control Panel( 0 ),
Variables(
X( :Study Day ),
Y( :SNR Right 1401 ),
Y( :SNR Right 1977, Position( 1 ) ),
Y( :SNR Right 2834, Position( 1 ) ),
Y( :SNR Right 4002, Position( 1 ) ),
Y( :SNR Right 5636, Position( 1 ) ),
Y( :SNR Right 7988, Position( 1 ) ),
Y( :SNR Right 11288, Position( 1 ) ),
Y( :SNR Right 12721, Position( 1 ) ),
Y( :SNR Right 14589, Position( 1 ) ),
Y( :SNR Right 16769, Position( 1 ) ),
Y( :SNR Right 19260, Position( 1 ) )
),
Elements(
Points(
X,
Y( 1 ),
Y( 2 ),
Y( 3 ),
Y( 4 ),
Y( 5 ),
Y( 6 ),
Y( 7 ),
Y( 8 ),
Y( 9 ),
Y( 10 ),
Y( 11 ),
Legend( 5 )
),
Line(
X,
Y( 1 ),
Y( 2 ),
Y( 3 ),
Y( 4 ),
Y( 5 ),
Y( 6 ),
Y( 7 ),
Y( 8 ),
Y( 9 ),
Y( 10 ),
Y( 11 ),
Legend( 7 )
)
),
SendToReport(
Dispatch( {}, "Study Day", ScaleBox, {Label Row( Show Major Grid( 1 ) )} ),
Dispatch(
{},
"SNR Right 1401",
ScaleBox,
{Min( -5 ), Max( 45 ), Inc( 5 ), Minor Ticks( 1 ),
Label Row( Show Major Grid( 1 ) )}
),
Dispatch(
{},
"400",
ScaleBox,
{Legend Model(
5,
Base( 0, 0, 0, Item ID( "SNR Right 1401", 1 ) ),
Base( 1, 0, 0, Item ID( "SNR Right 1977", 1 ) ),
Base( 2, 0, 0, Item ID( "SNR Right 2834", 1 ) ),
Base( 3, 0, 0, Item ID( "SNR Right 4002", 1 ) ),
Base( 4, 0, 0, Item ID( "SNR Right 5636", 1 ) ),
Base( 5, 0, 0, Item ID( "SNR Right 7988", 1 ) ),
Base( 6, 0, 0, Item ID( "SNR Right 11288", 1 ) ),
Base( 7, 0, 0, Item ID( "SNR Right 12721", 1 ) ),
Base( 8, 0, 0, Item ID( "SNR Right 14589", 1 ) ),
Base( 9, 0, 0, Item ID( "SNR Right 16769", 1 ) ),
Base( 10, 0, 0, Item ID( "SNR Right 19260", 1 ) )
)}
)
)
)