Heath Consultants Personal Surveyor (PS200 Series) - Manual (Page 42)

2-18
USER HANDBOOK
Fig. 2-22 Pump Symbol Displayed
2.8 SELF TEST
The PS200 series instrument has the ability to perform a self
test. The test can be performed any time during normal
operation of the instrument.
In this mode, the instrument tests the buzzer, LED’s,
vibration function and displays both the flammable gas type
used for calibration and the current username.
To perform a self test, press and hold the Left Hand (LH)
button .