Cermet II User’s Manual
Michell Instruments
17
OPERATION
3
OPERATION - MONITOR
NOTE: When the instrument is
fi
rst powered up the display may show a zero
value for about 1 second, followed by a
fl
ashing
OPEN
for approximately
5 seconds, before showing a dew-point value. This is normal and does not
indicate a problem with the instrument.
There are two levels of operation:
User
(No access to programming codes)
Advanced
(Access to programming codes)
Changing display brightness
Advanced setpoint programming
Monitoring setpoint values
Analog output calibration and scaling
Auxiliary (optional) channel set-up
Setting the engineering units
Transmitter connection fault relay set-up
Other related advanced functions
Table 2
Operation Access Levels
3.1
Set-Up Security Feature
To prevent unauthorized access, the monitor has two DIP-switches that can be accessed
by removal of the faceplate (refer to
Figure 18).
The
ON
position protects that mode,
OFF
makes alterations possible.
• The
SETPOINT LOCKOUT
switch (
SW1
) enables or disables Setpoint
Programming mode.
• The
PROGRAM LOCKOUT
switch (
SW2
) enables or disables Code
Programming mode.
-73.5C
SP1
SP2
SP3
SP4
2
1
O
F
F
SETPOINT
LOCKOUT
SW1
PROGRAM
LOCKOUT
SW2
h
h
MONITOR WITHOUT FACEPLATE
Figure 18
Location of the Lockout Switches
