2.5 Switch Mode Setup
The following gives the switch mode settings of the on board controls that can be changed in the field with JP1,
JP2, JP3, JP4; S4. ( Figure 2.3). All shown with external alarm = ground.
1) CH1 Prime Mode - Switches from CH1 to the CH2 only if CH1 alarms and CH2 is good.
Switches back to CH1 when it is no longer in alarm or when both CH1 and CH2 are in alarm
Non-dot JP1, JP3, JP4;
Dot - JP2;
S4 - ALL TO OFF.
2) Latch to CH2 Mode - Switches from CH1 to CH2 if CH1 alarms and CH2 is good. Latches to CH2.
Push Reset or ground Remote Reset pin to return to CH1 if it has no alarm or both CH1 and CH2 are in
alarm.
Non-dot - JP1, JP4;
Dot - JP2, JP3;
S4 - ALL TO OFF.
3) Minimum Auto switching, Initial Channel Select (ICS) Mode - Switch stays on channel last
selected by Manual or Remote selection after return to AUTO if both channel alarms are clear or both
channels are in alarm. Auto switching occurs only if current channel alarms and the other channel is
clear.
Non-dot - JP4;
Dot - JP1, JP2, JP3;
S4 - ALL TO ON.
Factory set mode is generally 1) CH1 Prime Mode.
1582-22L Manual, Rev. C
Page 10
06/13/11
