Table of Contents
Safety Considerations ..............................................................i
Guidelines for Using the Monitor 3 Air .....................................ii

Introduction 1

What is a “Dive Computer” .......................................2
Definition of Compartments .................................................... 2
Multi-Level Diving................................................................... 2
Diving Responsibly ................................................................ 3
Features of the Monitor 3 Air .................................... 4
The Computer Screen ............................................................ 4
The Electrical Contacts .......................................................... 4
The Transmitter...................................................................... 6

Preparation 7

Attaching the Transmitter to Your Regulator............. 8
Pairing the Wrist Unit to the Transmitter................... 9
Using the Monitor 3 Air Without the Transmitter..... 12
Checking the Battery Power ................................... 12

Diving with the Monitor 3 Air 13

Preparation for the Dive ......................................... 14
Functions During the Dive ......................................16
Current Depth........................................................................ 16
Dive time ...............................................................................17
Maximum depth..................................................................... 17
Ascent Rate ..........................................................................18
No-Stop Time ........................................................................19
Cylinder Pressure .................................................................20
Antenna Symbol ....................................................................20
Graphic Air Time Remaining.................................................. 21
Digital Air Time Remaining ....................................................21
High Air Consumption Warning.............................................. 22
Decompression Stop Information ..........................................23
Total Ascent Time.................................................................. 24
SOS Mode ............................................................................24
Functions at the Surface ........................................ 25
Upon surfacing ......................................................................25
Surface Mode........................................................................ 25
Surface mode icon ................................................................25
Wait-to-fly Time .....................................................................26
Desaturation Time .................................................................27
Surface Interval Time ............................................................27
Microbubble Warning.............................................................28