Watson-Marlow 505Dz - Manual (Page 11)

11
If a dose below the safe minimum or a dose more than 25 percent higher or
lower than the set dose is keyed in, it will be assumed an error has been made
and this screen will appear for three seconds:
T O O H I G H O R T O O
L O W - T R Y A G A I N
Pressing Stop to interrupt a dose offers:
R E S T A R T D O S I N G
R E C A L I B R A T E E X I T
The MAX key is enabled while this screen is active, and the screen provides a
re-prime method.
Pressing Enter at RESTART DOSING shows the screen to confirm the program
and then requests you press Start. The next dose will then resume as if there
had been no interruption
If you Step to RECALIBRATE then Enter you will be asked to enter the value of
the previous dose.
Entering exact dose delivered in ML and pressing ENTER allows drive to be
recalibrated for new ml per tacho pulse. Knowing the dose required, a new
number of tacho pulses can be calculated to adjust dose for improved accuracy.
If a dose is below the safe minimum a warning will be given OUT OF RANGE!
USE SMALLER TUBE or a dose more than 25 percent higher or lower than the
set dose is keyed in, it will be assumed an error has been made and indicate a
warning:
T O O H I G H O R T O O
L O W - I G N O R I N G !
Stop is also invoked if a remote footswitch or handswitch is pressed during the
dose run (not during the interval between one dose and the next) not less than 1
second after the switch is pressed to demand the dose.
Pressing Start restarts the dosing run by confirming the program then requesting
you press Start.
Interrupting a
dose