Xylem CG 853 - Manual (Page 57)

Operation
131
8 Set up the required time interval by pressing
< ▲ > < ▼ >.
9 Confirm with <run/enter>.
ARng appears on the display.
10 With < ▲ > < ▼ > select between YES and no.
11 Confirm with <run/enter>. t25 appears on the dis-
play.
12 With < ▲ > < ▼ > select between t25 and t20 .
13 Confirm with <run/enter>.
LF appears on the display.
ARng (AutoRange)
Reference
temperature