iXBlue Gaps M7 - User Manual

Summary

Questions Concerning Both Gaps Systems

Why is a Gaps calibration free?

Explains Gaps M7/M5 are pre-calibrated at factory, eliminating end-user calibration needs.

If Gaps systems are calibration free, why do I need to execute an alignment procedure?

Details the required 30-minute alignment procedure for optimal accuracy after installation.

How should I set the blanking time on my Gaps for the best performance?

How should I configure my MT9 interrogation codes for responder mode?

What is Gaps systems positioning accuracy?

Explains positioning accuracy depends on SNR, range, noise, and angle, with specific values.

What are Gaps M7 and Gaps M5 maximum range?

Details maximum ranges for Gaps M7 and M5 based on noise levels and transmit levels.

How accurate must my GPS lever arm be?

Which Navigation Softwares are compatible with Gaps M7 and M5?

Do I need to measure the sound velocity profile?

Emphasizes mandatory sound velocity profile measurement for nominal accuracy.

How to optimize Gaps M7 and M5 performances?

Suggests increasing beacon transmit level and reducing noise for performance optimization.

What to do if positioning accuracy is not as good as expected?

Provides troubleshooting steps for jumpy positions or observed bias, checking various factors.

What is the best location to mount the Gaps M7;M5 head?

What is the best location to mount the beacon on ROV?

What is the impact of Gaps M7;M5 mounting misalignments (heading, roll, pitch)?

Explains misalignment impact depends on lever arm size and recommends compensation.

iXBlue Gaps M7 Specifications

General

Category	Marine Equipment
Manufacturer	iXBlue
Model	Gaps M7
Roll and Pitch Accuracy	0.01°
Storage Temperature	-20°C to +70°C
Type	USBL
Interfaces	Ethernet, RS232
Certifications	CE
Operating Temperature	-5°C to +40°C