Technical data

Device settings

............................

6.9 – 6.9.1

6.9 Service

........................................................................................................................................

The software of the D190 remission densitometer has different capabilities for servicing the

instrument (test features and initialization). In normal application, this features are not used by

the operator.

........................................................................................................................................

Procedure:

• Select the menu line Service by turning the <Control ball> and confirm the selection by pressing the

<Measurement key>.

• The menu lines Return, Measure system and Initialize device are shown on the display.

6.9.1 Measuring system

........................................................................................................................................

The D190 remission densitometer features test functions for the measuring lamp and the

measuring system as well as a counter for the number of measurements. Test functions for

the measuring system and the measurement counter are used for maintenance purposes only.

........................................................................................................................................

The function Measuring system includes:

• Switching the measuring lamp on/off to check the lamp and to adjust the measuring

aperture.

• Determining of channel sensitivities.

• Determining of dark pulse numbers.

• Indicating the number of measurements performed.

........................................................................................................................................

Procedure:

• Select the menu line Measure system by turning the <Control ball> and confirm the selection by

pressing the <Measurement key>.

• The menu lines Return, Lamp and Sample as well as a display field for the channel sensitivities,

dark pulses and the number of performed measurements are shown on the display.