ResMed Astral 150 Quick Start Manual page 5

Setting up the circuit
For complete details on setting up the circuit see Assembling patient circuits in the Astral Clinical
Guide.
Single limb circuit with intentional leak or
Mouthpiece circuit
Single limb circuit with expiratory valve
using standard circuit
Performing a Learn Circuit
4
Single limb circuit with expiratory valve
using ResMed proprietary circuit
Double limb circuit (Astral 150 only) or
single limb circuit with intentional leak and
Mouthpiece circuit
To patient
Do not connect patient interfaces prior to
performing the Learn Circuit.
1. From the Setup menu, select the Circuit
2. Press Start and follow the on-screen
A Results screen is displayed once Learn
Circuit is complete. Error codes are provided
if Learn Circuit fails and can be found in the
Clinical Guide for help with troubleshooting.
The previous test results can be accessed by
selecting the Results button in the Circuit sub
menu.
sub menu.
prompts.