Bio-Rad Gene Pulser Xcell™ Electroporation Systems - Manual (Page 37)

• Use the Up and Down Arrow keys to highlight the value of the first parameter to be changed. Use
the alpha-numeric keypad to enter a new value. Alternatively, use the Right and Left Arrow keys to
incrementally increase or decrease, respectively, the parameter value. Use the Delete or Clear keys
to correct entries.
• When the desired value has been specified, press Enter. If a value outside the limits of the Gene
Pulser Xcell is entered, the value in the field will default to the closest permitted value.
• Use the Up and Down Arrow keys to highlight the parameter values to be changed and repeat the
previous two steps. The Pulse button becomes active when the necessary parameters have been
entered into the Protocol Detail screen. The edited protocol may be used without saving.
• To save the edited protocol, with the Protocol Detail screen on the LCD, press Save. A warning
screen will appear asking if you want to overwrite the protocol (Figure 3.21). The default selection is
“No”.
• If you do not want to overwrite protocol name press the Back key to return to the Protocol
Detail screen. Press Enter to return to the User Directory and to choose a new location
(Figure 3.9). See Section 3.3.6 for instructions on selecting a location for the new protocol.
• To overwrite the protocol, press the Left Arrow key to select “Yes”, then press Enter to
overwrite the file. The User Protocol will have the same name as the old file and will contain
the parameters specified in the new protocol. The LCD will display the User Protocols screen
with the cursor highlighting the location (number) of the protocol.
Warning screen: overwrite protocol
Fig. 3.21. Warning screen: overwrite protocol.
3.5.5 Deleting a User Name and a User Protocol
Before a User Name may be deleted, it is necessary to first delete all of the User Protocols under that
name.
Delete a User Protocol as follows.
• To enter the User Protocols screen from the Home screen (Fig 3.2):
• Press 5 or use the Up and Down Arrow keys to highlight “User Protocols”, then press Enter
to view the first User Directory screen (Figure 3.15). Use the Right and Left Arrow keys to
toggle between the two User Directory screens.
• Enter the number corresponding to the desired User Name or use the Up and Down Arrow
keys to highlight the desired User Name.
• Press Enter to select the name and to view the User Protocols screen.
31
D o y o u w a n t t o o v e r w r i t e t h e
p r o t o c o l ?
Y E S N O
P r e s s B A C K o r E N T E R t o r e t u r n
t o t h e p r e v i o u s s c r e e n .
P r e s s t h e L E F T a r r o w t h e n
E N T E R t o o v e r w r i t e t h e n a m e .