Input Device Status Panel

Each of the input devices has its own quick-look status panel on the main window dashboard view. The DVL and ROVL Receiver panels are similar to each other and to the GPS panel but contain a few controls appropriate to each device.

The quick-look status panel components are as follows:

• Device type. Topside GPS, ROVL Receiver, or DVL.

• Status indicator and button. The status button changes color to show the overall status of the device. Green means the device is nominally working correctly. Yellow means there is a status that is not ideal but that may not indicate a problem (e.g., the DVL does not have a lock on the bottom, which may just mean it is flying too high). Red indicates a problem that may require attention. Clicking the button switches to the device tab with status details and possible causes for the issue. Example status pages are shown later.

• IMU quick indication (ROVL and DVL only). This shows the status of calibration of the IMU in the DVL or ROVL. It is intended as a quick reference to minimize the number of windows that need to be open.

• The ROVL panel also shows the current slant range.

• The ROVL panel also has in input box to set the distance to the transmitter (i.e., it does a known-distance sync). Type the range and hit enter. Legal values are 0.1 to 300 meters. This should not be used if the ROVL has the Autosync option installed.

• The DVL panel also shows the status of bottom lock.

• The DVL panel also shows the status of the ROV GPS, if present (fixed acquired, no fix, not present).

• The DVL panel also shows the estimated altitude above the bottom.

The DVL Quick Look panel will display a “Dive!” button when the ROV GPS is showing a lock. Normally, the DVL dead-reckoning position will track the GPS position when the GPS has a lock. It is our experience, however, that when the ROV submerges the GPS position can wander randomly for 30 to 60 seconds (as much as 50 meters!) before dropping its fix flag. Click the Dive! button just before submerging and the GPS will be suppressed for 120 seconds, which should be enough time to get underwater and have the GPS drop its fix flag. Sorry, you must provide your own dive klaxon sound effect.