DEFIBRILLATOR MONITOR
Mod. 3850B-BIPHASIC - USER MANUAL
Page 59 of 63
The auditory indication of the presence of a QRS complex consisting of a 1000Hz pulse whose characteristic is shown in the next figure:
Rise time (from 10% to 90%) of pulse, t
r
: 20ms.
Effective duration time of pulse, t
d
: 100ms.
Fall time (from 90% to 10%) of pulse, t
f
: 20ms.
The sound pressure is adjusted from the volume adjustment function.
6.10. CONFIRMATION SOUND OF KEY PRESSED
Pressing a key generates a pulse of 1000Hz confirming the activation of the key; this pulse has the following characteristics:
Rise time (from 10% to 90%) of pulse, t
r
: 20ms.
Effective duration time of pulse, t
d
: 70ms.
Fall time (from 90% to 10%) of pulse, t
f
: 20ms.
