Symbol SE 923 Integration Manual page 51

Application Notes
BPR
t blht
Figure 4-6. Beeper Timing
4.5V
V BATT
0V
t ehpm
Figure 4-7. V Rise Time
BATT
WKUP
t aldl
PWRDWN
TRIG
t dlgl
Figure 4-8. Wake Up Timing
4-7