Salter Brecknell C3225 - Manual (Page 29)

Main configuration menu - 4
C3225 Checkweigher - User guide 25
4.4 Auto off / Audio beep
Auto off
Auto off is a battery saving feature. When in operation the
scale will automatically turn itself off after a set period of
inactivity.
1. Enter auto off/audio beep set up.
Press and hold for 5 seconds.
2. Press units to select auto off function.
3. Press tare to cycle through options.
4. Press target to accept and proceed.

Example displays
+,4
+,4
+24