Crowcon T4 - Prologue; Set-up; Operation

3
CONTENTS
PROLOGUE .............................................6
T4 Overview ....................................................6
Safety Information ........................................7
Unpacking .............................................10
1. Set-up ..............................................12
1.1 Prior to use .................................................12
1.2 T4 orientation ...............................................12
1.3 Charging & battery indications ................................13
1.4 Fitting the calibration/bump test plate ..........................15
1.5 Fitting the external lter plate .................................16
1.6 +ve Safety™ ................................................17
1.7 Quick view .................................................18
2. Operation ...........................................21
2.1 Turning on .................................................21
2.2 Home screen ...............................................24
2.3 Alarms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
2.3.1 Low battery alarm .......................................25
2.3.2 Instantaneous alarm .....................................25
2.3.3 Short term exposure limit alarm (STEL) .....................26
2.3.4 Time weighted average alarm (TWA) ........................26
2.3.5 TWA Resume function* ...................................26
2.4 Alarm and status icons .......................................27
2.5 Accepting and Clearing Alarms ................................28
Exit