Specifications

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PROGRAMMING PROCEDURE
The following procedure describes how to view and change settings for SST-4 operation. These
procedures require the user to access the pushbuttons on the SST-4 circuit board: “MENU”, “UP”, and
“DOWN”.
Press the “MENU” button on the SST-4 board. The display will show the board’s current
operating conguration, starting with “A2”, that is, the system is set for dual plunger mode.
Press “MENU” again, and the next parameter is displayed. Repeat pressing “MENU” to
view all the settings, until the system returns to “A2”.
If changes are desired, press “MENU” until the target parameter is displayed. Use the “UP”
and “DOWN” keys to change the parameter to the desired value. The available choices are
those shown in Table 5.
To save changes, press and hold the “MENU” key for 5 seconds. The display ashes “SA”
to conrm that the conguration change has been saved.
If the conguration has been changed mistakenly, restore the SST-4 to its previous conguration by
holding the “MENU” and “DOWN” keys for three seconds. This will reload the last saved settings.
You can page through the congurations and see that it is as expected, then the settings must be saved,
by holding the “MENU” key for 5 seconds. The display will ash “SA” for conrmation of the save.
The SST-4 is preloaded with a factory default conguration. The default settings are displayed on
Table 3 with an asterisk (*). To recall these setting hold the “MENU” and “UP” keys down together
for 3 seconds. You can page through the congurations and see that it is as expected, then the settings
must be saved, by pressing and holding the “MENU” key for 5 seconds. The display will ash “SA” as
conrmation of the save. The table below shows a summary of the pushbutton controls.
It is important to note that changes are not saved automatically, but must be written to memory by
holding down the “MENU” key for 5 seconds. This includes any of the recall functions described
above. The values that were recalled are not made active until the user has saved them.
1.
2.
3.
4.
Function summary Function description Procedure
Choose parameter
Choose which parameter will be
modied.
Press “MENU” until the desired parameter is
displayed.
Choose value
Choose the value of the selected
parameter.
Press “UP” and “DOWN” until the desired
parameter value is displayed.
Save changes
Save the changes made to one or more
parameter values.
Press and hold “MENU” for 5 seconds. “SA” is
ashed to conrm save.
Recall previous
Recall previously saved conguration and
cancel last save command.
Press and hold both “MENU” and “DOWN” for
three seconds. “SA” is ashed to conrm save.
Recall factory Recall factory settings for all parameters.
Press and hold both “MENU” and “UP” for
three seconds. “SA” is ashed to conrm save.
Table 5. Menu/Up/Down Pushbutton functions