boso medistar S Mode D'emploi page 66

Calibration checks - Testing instructions
66
(for trained specialist staff only)
b) To perform leak testing of the pres-
sure circuit, a tee connector must be
used to connect the rolled-up cuff
and a pump bulb to the pressure cir-
cuit.
c) If the pressure in measuring mode
exceeds 320 mmHg, the quick-action
air release valve triggers and opens
the pressure circuit. If the pressure in
testing mode exceeds 320 mmHg,
the display blinks.
Testing
1. Remove batteries.
2. Hold START-button pressed down
and insert batteries.
3. Release START-button.
The unit is now ready for testing. The
displays of SYS, DIA and PUL now
show the actual pressure.