Display Backlight; Recall Of Stored Data; Measuring The Absorbance; Countdown - Lovibond CheckitDirect Manual De Instrucciones

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Functional description
GB

Display backlight

Press the [!] key to turn the display backlight on or off. The backlight
!
is switched off automatically during the measurement.

Recall of stored data

If the instrument is switched on, press the [ ! ] key for more than
!
4 seconds to access the recall menu.

Measuring the absorbance

This Mode function allows measurement of the absorbance at the
AbS
specified wavelength. The result appears in the display in mAbs.
1000 mAbs = 1 A (Absorbance unit)
Abs1:
Abs2:
Countdown / reaction period
If a reaction period is included in a method a countdown function
can be used:
Press the [!] key and hold.
!
Press the [ZERO/TEST] key.
Release the [!] key; the countdown starts.
Zero
Test
After the countdown is finished the measurement starts automati-
cally.
It is possible to interrupt the countdown by pressing the [ZERO/TEST]
key. Measurement starts immediately.
Caution:
An incomplete reaction period can lead to incorrect test
results.
CheckitDirect_Cl-pH-CyA-TA_2 09/2010
= 528 nm
= 605 nm
25