Dionex AXP/AXP-MS Manual
3.1.1.2 Keypad
RUN/
STOP
When pressed, this button alternately starts and
stops the pump.
When pressed, this button increases the flow rate.
When pressed, this button decreases the flow rate.
PRIME
When the PRIME button is pressed, the pump runs
at the maximum flow rate for the pump head. It will
stop when any button is pressed.
MODE
Use this button to cycle through the four display
modes: flow rate, pressure, upper pressure limit, or
lower pressure limit. A status LED to the right of
the digital display indicates which mode is active.
Fast and Slow Button Repeat on the Up and Down Arrow Buttons: If
the up arrow or down arrow button is held down for m ore than
approximately one-half of one second, the button press will repeat at a
slow rate of approxim ately 10 tim es per second. Once slow button
repeat has begun, fast button repeat can be initiated by using a second
finger to press down the second arrow button. During fast button
repeat, the button press will repeat at a rate of approxim ately 100
times per second. To switch back and forth between repeat speeds,
press and release the second arro w button while keeping the first
arrow button held down.
3.1.1.3 Status LEDs
ML/MIN
When lit, the digital display shows the flow rate in mL/min.
PSI
When lit, the digital display shows the system pressure in psi.
HI PRESS
When lit, the display shows the user-set upper pressure limit in psi.
LO
PRESS
When lit, the display shows the user-set lower pressure limit in psi.
PUMP
RUN
Lights to indicate that the pump is running.
FAULT
Lights when a fault occurs and stops the pump.
11
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