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Koeth chameleon advanced Operation Manual

Color densitometer

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Color densitometer
C h a m e l e o n
advanced
Operation manual
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Summary of Contents for Koeth chameleon advanced

  • Page 1 Color densitometer C h a m e l e o n advanced Operation manual...
  • Page 2 enables very fast and efficient working. GraphicMenue GraphicMenue Nearly all functions of the may be selected only Chameleon with a single click of on the appropriate color pad, with- out any nasty menue navigation! Switch on Click to a ctivate unit. Last value is indicated. start Switch off If densitometer was not in use for more than one minute, it...
  • Page 3 Click : the sequence of display will be as follows: color c → m → y → k → auto 4c. Example: y auto 4c = automatic color select; last reading is indicated by a flashing decimal point. ALL: 4 colors of a reading are displayed simultaneously (e.g.
  • Page 4 Functions Hold : modes are displayed in the following sequences: mode dot → dotGn 25-50-75 → dotGn 40-80 → dotGn 60 → bAL → trP . After releasing the button, the last mode indi- cated will be saved. 1) see “Dot area“ 2) see “Dot Gain“...
  • Page 5 Select: dotGn (dot gain). There are the following 3 options Dot gain (see „functions“). example: dotGn 40-80 1) Dot Gain dotGn 25-50-75 % and 2) Dot Gain dotGn 40-80 % is preset and cannot be varied. 3) Dot Gain 60%: customized dot reference can be varied by user as needed.
  • Page 6 Trapping Select: trP. The next steps are marked by flashing figures: 1) Read the first printed color D1. 2) Read the second printed color D2. 3) Read the overprint color D12,the trapping value will be in- dicated in % according to Preucil. 4) New reading cycle: click Start and repeat steps 1) through 3).
  • Page 7 Identified special colors are automatically assigned to the Measure associated memories; a blinking display signals correct as- special colors signment. Special colors not identified are assigned to the process color memory auto 4c (no blinking display). Delete Select color to be deleted. Hold for approx.
  • Page 8 Change dot 1) Select customized dot reference (see “Dot Gain”). reference 2) Press simultaneously for approx. 2 sec until start display flashes. Click (+) or (-) until the correct reference value mode appears (10 - 90%). 3) Alternative to 2): Set measuring head on the center of the color gradient of the calibration chart, hold move head up(+) or down(-) until correct reference value appears on the display.
  • Page 9 If reference values are too high or too low, an acoustic sig- nal appears or values are blocked. 4) Alternative to 3): Select color (via or ) Set Graphic-Menue measuring head on the center of the color gradient of the calibration chart, hold and move head up(+) or down(-) until correct reference value appears on the dis- play.
  • Page 10 Start (Record job) and stop (End job) data recordung with Datatransmission (optional). GraphicMenue Power supply The unit is equipped with a high quality 9V alkaline battery. Thanks to the latest power save circuitry up to 1.000.000 readings can be taken before the battery is exhausted. To change battery, simply remove the body screw.
  • Page 11 Set zero on paper white only Errors Function executable only in density mode At least one solid color with a minimum of D = 0.50 is required At least 2 solid cmy-colors with a minimum of D = 0.5 are re- quired (no special colors!) At least one solid color in the D = 0.50 to D = 2.20 range is required for calibration...
  • Page 12 Technical specifications Type Chameleon advanced Functions Density Dot Area (0-100%) Dot gain (25-50-75%, 40-80% a customized Gray balance, color balance Trapping automatic or manual, Color select process colors and 4 special colors Range 0-2.70 D Resolution 0.001 up to D = 1.0 (optional) ±0.01 D, ±1%...