Watson-Marlow 720DuN User Manual
31
16 PIN-secure process protection
The 720DuN features PIN-secure process protection. This allows the pump to
be configured to suit the application, and for the setup to be protected by two
levels of PIN code.
The main code gives access to
Calibrate
,
Setup
,
Direction
change and
Keypad lock
.
The secondary (User) code permits
Calibrate
,
Direction
change and
Keypad
lock
but bars
Setup
change.
If either code is used in conjunction with Keypad lock, all keys are disabled
except
STOP
and
START
.
To activate and set a security code, see 18.22
Security code
.
If the main code is lost or forgotten
: The Setup main security code can be
bypassed by entering a special key sequence; all codes can then be cancelled
and reset. Contact Watson-Marlow or your distributor for details.
Menu option
or keypress
With Main
code set
With User
code set
Code set and
keypad locked
Menu (SHIFT, 7)
Available
Available
Not available
Calibrate
Available
Available
Not available
Accept
Available
Available
Not available
Change
Main PIN needed
Main PIN or User
PIN needed
Not available
Setup
Main PIN needed
Main PIN needed;
User PIN invalid
Not available
Cal (SHIFT, 8)
Available
Available
Not available
Accept
Available
Available
Not available
Change
Main PIN needed
Main PIN or User
PIN needed
Not available
Max (SHIFT, 4)
Available
Available
Not available
Dir (SHIFT,1)
Main PIN needed
Main PIN or User
PIN needed
Not available
Auto (SHIFT, 9)
Available
Available
Not available
Man (SHIFT, 6)
Available
Available
Not available
Up
Available
Available
Not available
Down
Available
Available
Not available
SHIFT and Up
Available
Available
Not available
SHIFT and Down
Available
Available
Not available
Start
Available
Available
Available
Stop
Available
Available
Available
Enter
Available
Available
Not available
MemoDose
Available
Available
Available
Keypad lock
Main PIN needed
Main PIN or User
PIN needed
Main PIN or User
PIN needed
Auto-restart
Available
Available
Available
