Perma Pure Modular Board - Manual (Page 17)

Display set the method to control the channel display of data. Toggle, shown as
“toG”, will display each channel for 10 seconds constantly switch between the
two. Switch, shown as “SUJ”, will allow the user to select the channel displayed
through an external switch.
Water Slip set the relay used to alarm for water present at the Water Slip sensor.
Setting of 1 will have the water slip sensor control relay #1 with ready for channel
#1. Setting of 2 will have the water slip sensor control relay #2 with ready for
channel #2. Setting of 3 will have the water slip sensor control relay #2 alone; the
channel 2 ready alarm is ignored.