Thermo Scientific 7450, Operating And Maintenance Manual

Page: 23 / 120

Wait at 0.0C : Go to specified chamber temperature and wait until the
Run key is pressed
Hold for 1m at 0.0C : Hold for specified time at noted chamber tem-
perature, then continue. A double beep will sound at the end of the hold
time.
Precool : Cool chamber (w/ target of +4°C) and continue to next step when
a sample temperature of +5°C is reached
Jump to 1 : Jump to a specified step
Loop to 1 for 1 : Loop to step and repeat specified number of times
End : End of profile
9. After deciding on a function command, press Enter to move to the
temperature, time, or step number to be set. Scroll, using the 5/6 keys
to choose a number. Single clicks scroll slowly, or press and hold to
scroll more quickly. Press Enter to go to the next line in the profile.
10. After all function commands are chosen, press Back until the main
menu appears.
Note After exiting Edit Mode, the edited profile is printed on the thermal
printer, if printer is On and the selected output device. See Section 3. ▲
Note To edit a single line of a profile, enter View Mode, scroll to the
desired profile step and go to Edit Mode by pressing Enter. ▲
Pre-set and created user profiles can be copied, then pasted into one of the
ten User Profiles as templates to create a new User Profile. To erase a User
Profile already in use, a blank User Profile may be copied, then pasted over
it. Use the steps below to copy and paste.
1. In the Main Menu, select the Pre-set or User Profile to be copied by
using the up or down arrow keys.
2. Press and hold (approximately 3 seconds) the Back key until the
message “Profile copied” appears on the second line of the display.
3. When the Back key is released, the message “Select dest with ”
appears on the third line of the display. Select the destination for the
copied profile, using the up or down arrow keys. When the desired
User Profile is showing on the first line of the display, press the Enter
key to complete the paste operation, or press Back to cancel.
2-10 7007452 CryoMed Freezer Thermo Scientific
Section 2
Set-Up and Operation
Program User Specific
Profiles (cont.)
Copy and Paste Pre-
set and User Profiles