> ## Documentation Index > Fetch the complete documentation index at: https://docs.pulseairtest.com/llms.txt > Use this file to discover all available pages before exploring further. # Login screen Login screen ## Sign in as a cloud user ### 1. Enter email address and password On the main login screen, select the **Login** icon to sign in as a cloud user. You will be directed to the BTS Single Sign-On (SSO) web page, where you must enter your email address and password. SSO sign in page You must be connected to Wi-Fi in order to log in as a new cloud user. Once logged in, you can work offline and only require re-authorisation over Wi-Fi periodically. ### 2. Select an account Once signed in, you will be asked to select an account to use. Accounts are a way of grouping tests together and allow other users with access to the same account to see the air tests performed both on the device and via the cloud. Select account ## Sign in as a guest user To use your Pulse equipment offline or without Wi-Fi, you can create a guest user locally on the device. On the main login screen, select the **Create Guest** icon and enter the full name of the person who will be using the equipment. Create guest Tests performed using a guest user can only ever be uploaded to Pulse Online using the manual USB export method. It is not possible to upload them over Wi-Fi.