Fine Tuning Your St9400C; Changing From Am/Pm Time Display To The 24-Hour Clock; Changing The Installer Parameters - Honeywell ST9400C User Manual

FINE TUNING YOUR ST9400C

Changing from AM/PM Time Display to the 24 Hour Clock
Your ST9400C can operate on the 12 hour AM/PM or 24 hour clock formats. To
change the format, ensure the slider is in the RUN position then press and hold the
and buttons together for about 2 seconds. Ignore the 'NOT VALID' message
that will appear briely. All the displayed times will be automatically changed to the
new format.
Repeating this procedure will change the clock display back to the original format.

Changing the Installer Parameters

The ST9400C has a special Installer Mode where some features can be adjusted
to suit your lifestyle or preferences – these are called Installer Parameters, and are
listed in the table below, along with a description of the options that are possible.
INSTALLER
PARAMETER
24hr or am/pm
clock display.
Conigure backlight
operation.
Enable/disable auto
time change.
1-day or 5/2-day or
7-day operation.
Number of ON/OFFs
per day.
Select default time
programme.
Conigure
Mini-Programmer.
This will be set by
your Installer and
will depend on your
system – do NOT
change without
contacting installer.
Reset all parameters
12
Parameter Default
Number Value
1 12
2 2
3 1
4 7
5 3
6 A
7 0
8 1
Options Description
12, 24 12 = am/pm display,
24 = 24hr display
0, 1, 2 0 = off,
1 = on if button pressed,
2 = on continuously
0, 1 0 = disabled,
1 = enabled
1, 5, 7 1 = 1-day operation,
5 = 5/2-day operation,
7 = 7-day operation
2, 3 2 = 2 on/offs per day,
3 = 3 on/offs per day
A, b, C A = standard,
b = at home,
C = economy
0,1 0 = standard Programmer,
1 = Mini-Programmer
0, 1 0 = do not reset
1 = default parameters