Bio-Rad VersaFluor™ Fluorometer - Manual (Page 17)

Fig. 4.10. Timed reading menus.
To start the timed readings, press the TIMED START button. An active timed reading
menu will appear. To stop the readings at any time, press the TIMED STOP button. This
screen will remain active until all the readings are finished. The COUNT value will increase
sequentially as the readings progress. Each time a reading is taken, the relative fluorescence
units will be displayed and sent to the serial port. When the last reading is taken, the menu dis-
play will automatically return to the TIMED START and SET INTVL screen.
4.10 Lamp ON/OFF
The lamp on the fluorometer can be turned on or off. To access this function, press SETUP
in the main menu, then press MORE in the second menu, and finally press MORE in the third
menu (Figure 4.3). Press the LAMP button to turn the lamp ON or OFF (Figure 4.11). Press
EXIT to leave this menu. After turning the lamp back on, let the instrument warm up for at
least 10 minutes.
Fig. 4.11. Lamp ON/OFF menu.
4.11 Resetting the Print Sample Number
When the PRINT button is pushed, the fluorometer sends the fluorescence data and a
sample number to the printer. This sample number increases sequentially every time the
PRINT button is pushed. The SAMPLE SET#1 button must be pushed to reset the sample
number to one. To access this function, press SETUP in the main menu, then press MORE in
the second menu, and finally press MORE in the third menu (Figure 4.3). Press the SAM-
PLE SET#1 button to reset the sample number (Figure 4.12). The menu will display 00001,
indicating the sample number has been reset. Press EXIT to leave this menu.
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PRINT TIMED
SETUP SETUP MORE EXIT
TIMED SET
START INTVL EXIT
INTVL 01 SEC COUNT 001
UP DOWN —> EXIT
TIMED COUNT 001
STOP
CLOCK LAMP SAMPLE
SETUP
ON SET#1 EXIT