Table 2-1. Vacuum Leds - Beckman Coulter Optima L Series Instruction Manual

[ ]
STOP

Table 2-1. Vacuum LEDs

Pressure
750 or above
220 to 750
20 to 200
<20
After you have pressed [
checks to see if there is an entry in the TIME display, or if
HOLD has been selected. If there is no entry, the instrument will beep
twice and the TIME display will begin blinking. Enter a value and
press [ ] to set the value into memory. (The instrument
ENTER/RECALL
automatically uses 25°C as the default temperature if another temper-
ature value has not been entered.) Then press [
[ ] again to begin the run.
START
As the rotor begins to accelerate, the green LED on the [
blinks. When the rotor reaches set speed, the LED stops blinking and
remains on until the run has ended or [
Use the [ ] key to do the following:
STOP
• Press [ ] at any time to terminate the run. A green LED on
STOP
the key will blink to indicate that the rotor is decelerating; a tone
will sound when the rotor comes to a stop and the green LED will
turn off.
• Press [
ENTER/RECALL
run conditions that existed when the rotor began decelerating.
These are called the STOP values.
• Press [
ENTER/RECALL
ω
the accumulated t at the time the rotor began decelerating. The
2
ω
t value is displayed in the SPEED display.
2
750 LED 200 LED
blinking off
lit blinking
off lit
off off
] and [
ENTER/RECALL START
ENTER/RECALL
] is pressed.
STOP
] and [ ] within 5 seconds to display the
STOP
] , [ ], and [ ] in succession to display
w t
2
STOP
Run Preparation
<20 LED
off
off
blinking
lit
], the instrument
ω
t or
2
] and
] key
START
2-9