Bio-Rad Model 550, Ultramark, and Benchmark Microplate Reader Accessories - Manual (Page 6)

Fig. 2. Rear View
2.3 Membrane Keypad
Fig. 3. Keypad
1. START/STOP Initiates plate reading using current analysis mode. Stops plate reading.
2. PAPER FEED Advances paper strip in thermal printer.
3. UP ARROW Decreases by one the number on the cursor position or moves a cursor
to the preceding mode.
4. DOWN ARROW Increases by one the cursor position or moves a cursor to the next mode.
5. ENTER Completes or seals a field entry.
6. MODE Enables ARROW keys to change modes.
7. NEXT Moves the cursor to the next field.
8. SELECT Toggles a yes/no switch. If the check box is empty, the feature is turned
off. If the check box is black, the feature is turned on.
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7. RS-232 serial interface
8. ON/OFF switch
9. Power cord receptacle
10. Fuses
11. Serial Number Label
12. Cooling Fan
13. Cooling Vents
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12 11
10
9 8
8
3 4
1
2
6
5
7
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