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Run Preparation
✪ ✪ ✪ ✪ ✬ ✬ ✬ ✬ ✬ ✬ ✬ ✬ ✮ ✮ ✮ ✮ ✵ ✵ ✵ ✵ ❈ ❈ ❈ ❈ ✹ ✹ ✹ ✹ ✻ ✻ ✻ ✻ ✸ ✸ ✸ ✸ ✯ ✯ ✯ ✯ ✲ ✲ ✲ ✲ ✵ ✵ ✵ ✵ ✮ ✮ ✮ ✮ ✼ ✼ ✼ ✼ ❛ ❛ ❛ ❛ SOFTKEY
2-12
You may change the temperature setting at any time except when the instru-
ment is using ESP program settings or is in a locked operation. The rotor
temperature will be adjusted accordingly.
Actual rotor temperature, after equilibration, is controlled to ±0.5°C of the set
value. If the temperature control system malfunctions, the appropriate diag-
nostic message will appear and the rotor will automatically decelerate to a
stop. Follow the instructions on the screen and see the Troubleshooting Chart
in Section 9.
Maximum acceleration and nine slow acceleration profiles are available
to minimize disturbing the sample and sample-to-gradient interface. The
selected ACCEL entry is displayed in the lower left corner of the SETTINGS
window; MAX is the default setting.
Slow acceleration profiles are listed by number, including transition speeds
and times, in the ACCELERATION PROFILES window (Figure 2-6). The
rotor speeds indicate the speed at which the rotor completes its slow
acceleration, at which point the rotor accelerates at maximum speed to set
✶✪❁✲✶✾✶❈✪✬✬✮✵❛
speed.
ACCELERATION PROFILES
PROFILE
NUMBER
SOFTKEY
1
2
3
4
5
6
7
8
9
00 RPM
0:00 H:M
26.1 DEG
Figure 2-6. ACCELERATION PROFILES Window
To select an ACCEL profile:
✪✬✬✮✵❈✹✻✸✯✲✵✮✼❛
1. Press the
left corner of the SETTINGS window, and the ACCELERATION
PROFILES window appears, temporarily replacing the CURRENT
VALUES window.
appears as a softkey at the bottom of the screen.
TRANSITION
SPEED
–
MAX ACCEL*
170
2:00
350
2:40
500
3:00
170
3:00
350
4:00
500
4:30
170
4:00
350
5:20
500
6:00
*DEFAULT = MAX ACCEL
softkey. The ACCEL field blinks in the lower
TIME
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