GMI Personal Surveyor 200, User Handbook Manual, Page: 37 / 92

2-17
OPERATION
Fig. 2-21 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
.