Hengstler Signo 721.2 Benutzerhandbuch Seite 117

4 Programming the presets, correction values and prescaler
+
Pressed at the same
Time +
Power on
+
Reset to 0
Selecting digit:
(blinking)
117
Raise value by one Changing to the next sig-
nal time or save, return to
display mode
Signal time when preset 1
Signal time 1
Signal time 2