Win32TestApp Functions properly, following sequence of popups considered normal operation: Click on TestApp exe : startup sequence normal : OXI_SP02PULSEBUFFER [y][n] OXI_SP02PULSEBUFFER [ok] OXI_SP02PULSEBUFFER [ok] number of samples=688,Spo2Value=97%, PulseValue=65bpm PLETH_BUFFER [ok] ABout to call PLETH_BUFFER PLETH_BUFFER [ok] number of samples= ... OXI_PULSE [ok] about to call OXI_SP02 OXI_SPO2 [ok] SpO2Value=98% OXI_PULSE [ok] about to call OXI_PULSE OXI_PULSE [ok] PulseValue=75bpm OXI_STATUS [ok] about to call OXI_STATUS shutdown sequence normal ---------------------------------------------------------- Win32TestApp 2 hangs on OXI_SPO2PULSEBUFFER [y][n] Waiting for valid spO2 data. Continue ? Have to wait 10-15-or more seconds pushing yes, or ignoring it OXI_POWER_ON [ok] RESET_OXICARD [ok] OXI_PULSE [ok] call OXI_SPO2 OXI_SPO2PULSEBUFER [y][n] OXI_SPO2 [ok] sp02value = 98% OXI_PULSE [ok] OXI_PULSE [ok] pulseValue=70bpm SPIROCARD_SLEEP [ok] STATUS [ok] ----------------------------------------------------------------- Win32TestApp 3 works very well and succinctly OXI_PULSE [ok] call OXI_SPO2 OXI_SPO2 [ok] SpO2Value=98% OXI_PULSE [ok] call OXI_PULSE OXI_PULSE [ok] pulseValue=71bpm STATUS [ok] about to close driver --------------------------------------------------------------- QRS-ntt module on/off-----timer 1000ms------| QRS |----spO2 % on/off------------------------| MOD |--- pulseValue Success 1: Data streams without office medic running ! OK Test 2: INsert EKG PCMCIA card and run officemedic 1. insert ekg card: driver install request popsup. feed it drivers OK 2. start ntls module again. i still have a pulse OK 3. stop ntls module OK 4. start office medic OK 5. start ekg in office medic OK 6. start ntls oxi module OK ---------------------------------------------- Houston, we have liftoff !!!