400 B/W Reflection Densitometer
4-84-8
4. Repeat #2 and #3 until all reference values are set to your
preferences.
5. Press FUNCTION to return to dot gain measurement mode.
Measurements at each tint will be compared to the appropriate
reference value.
Dot Gain Measurement
Once dot gain measurement (DOT GAIN) mode is selected, PAPER
appears in the display.
1. Center the instrument target window over a sample of the paper,
then lower the instrument head to take a reading and hold.
If the instrument recognizes the measurement as a paper
reading, the display flashes DOT B (or DOT R) momentarily,
the paper value is displayed, then becomes ready for the first
SOLID reading.
If the instrument does not recognize the measurement as a
paper reading, PAPER? Z appears.
Keep the instrument pressed down, then press ZERO to
indicate that yes, this is the new paper value. Then, the display
becomes ready for the first SOLID reading.
2. Measure the solid patch. DOT is displayed during measurement,
then the measurement data appears.
If Solid is displayed as a Dot value (a percentage, such as 94%)
instead of a solid density value (such as 1.57s), hold the
instrument closed and press ZERO.
If SOLID? Z is displayed, press ZERO to measure as a Solid,
then release the instrument.
NOTE: Solid density is displayed minus paper.
