
PS-3450A Series Hardware Manual
2-28
Switch
No.
Description ON OFF Notes
1 Used for the system. Reserved Reserved Factory Settings: ON
2 Used for the system. Reserved Reserved Factory Settings: OFF
3 Used for the system. Reserved Reserved Factory Settings: OFF
4
Cancellation function of pushing
two points on the touch panel
*1
.
*1 When two points are pushed, it is considered that middle point between the two points is
touched according to the nature of the analog resistive touch panel.
When the switch, etc. is set on the middle point, it will be enabled and may operate.
To prevent such a switch from malfunction in case of pushing two points, turn ON the SW No.4
in advance, then the middle point will be disabled to be touched.
Enabled Disabled
Factory Settings: OFF
The middle point is not
considered to be touched
when the SW is Enabled. It is
considered to be touched
when the SW is Disabled.
5 Used for the system. Reserved Reserved Factory Settings: OFF
6 Changes Reset SW mode.
Power
button
Reset SW Factory Settings: OFF
7 Used for the system. Reserved Reserved Factory Settings: OFF
8
Changes COM2 (RI <---> +5V).
(enabled only when RS-232C
mode)
+5V Output RI Factory Settings: OFF
9
Changes a Master/Slave setting for
Primary CF card Interface.
Slave Master
The factory settings depend
on your selected built-in
accessory.
10 Used for the system. Reserved Reserved Factory Settings: OFF
Table 1) System Set Switches
Switch
Number
Description ON OFF RS-232C RS-422 RS-485
1
Changes COM2's
communication
method
RS-232C RS-422 / RS-485 ON OFF
*1
OFF
*1
2
Changes COM2's
communication
method
RS-422 / RS-485 RS-232C OFF ON ON
3
Changes COM2's
communication
method
RS-422 / RS-485 RS-232C OFF ON ON
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