Hydrus EPD (Electronic Paper Display) Screen

The EPD (Electronic Paper Display) screen located on the transponder end of the Hydrus, it serves as a user interface, offering control and information to be displayed. The EPD screen enables easy interaction with the system and provides access to important information, It provides connectivity information, offering real-time updates on network connections and enabling users to monitor the system's connectivity status.

Normal Operation Screen Overview

Normal Operation Screen

The Normal Operations Screen of the Hydrus device serves as a comprehensive interface that provides users with essential information about the device's current status and operational conditions. This screen is designed to facilitate effective monitoring and management of the device during regular use.

Indicator	Description
Top Indicator Bar	The Top Indicator Bar on an Electronic Paper Display (EPD) screen serves as a visual representation of important status information. It displays three key indicators: battery status, the device name, and the Wi-Fi connectivity level. Battery Status: The battery status indicator on the Top Indicator Bar provides information about the remaining charge or power level of the device. It helps users quickly assess how much battery life is available and whether they need to recharge the device. The indicator consists of a graphical representation being a battery icon with a textual representation indicating the battery percentage. Device Name: The device name indicator displays the name or identifier of the Hydrus itself. This is particularly useful when multiple devices are connected or when managing a network of devices. The device name helps users identify and distinguish one device from another, especially in settings where multiple devices are in use simultaneously, such as Subsonus and GNSS. Wi-Fi Connectivity Level: The Wi-Fi connectivity level indicator provides information about the strength of the Wi-Fi connection of the Hydrus. It shows the current signal strength, represented by a set of bars. This indicator allows users to determine the reliability and stability of their Wi-Fi connection, helping them troubleshoot connectivity issues if necessary.
Status Indicator Bar	The Status Indicator Bar is a visual display element that provides users with important status information about the system or device. The bar indicates operational states and conditions of the system.
Wifi Indicator Bar	The Wifi indicator bar provides information about the IP (Internet Protocol) address assigned to the device, it indicates the specific address assigned to the device by the network's DHCP (Dynamic Host Configuration Protocol) server.
Mode Indicator Bar	The Mode Indicator Bar is a visual display which includes text and icons that indicates the different power states Hydrus is currently in. Power states that are displayed are High Power and Low Power.

Alert Notification Screen Overview

Alert Notification Screen

The Alert Notification Screen on the Hydrus device serves as a crucial interface for communicating important status information and advisories to the user.

Indicator	Description
Top Indicator Bar	This is located at the top of the screen and displays the name of the device, in the example above, "Hydrus 14". This helps users identify the specific device, especially useful when multiple devices are in use.
Main Alert Notification	This is the main alert notification displayed prominently in the middle of the screen. It comes with an icon for immediate recognition. The above example warning is triggered when the device's temperature exceeds its safe operating range, indicating a potential risk or issue that needs immediate attention.
Advisory	This is an accompanying statement that provides the user with critical instructions on what needs to happen next and what actions should be avoided. In the example above, it informs the user that the Hydrus device needs to cool down before it can be used again and that it should not be deployed in its current state.