If you've ever tried to apply multirotor maintenance knowledge to a fixed-wing survey drone, you know it doesn't translate.

The Quantum Systems Trinity F90+ and Autel Dragonfish Pro operate on fundamentally different principles:

Launch and recovery — Fixed-wing drones don't hover. The Trinity F90+ uses a catapult launcher and belly landing. The Dragonfish Pro uses VTOL transition sequences. Both have unique failure modes during these critical phases.

Endurance systems — These platforms fly 60-90+ minutes. Battery management, thermal regulation, and power distribution are engineered completely differently than a multirotor.

Mapping payload integration — PPK/RTK survey workflows require precise sensor-to-airframe calibration. A 0.5cm offset in your sensor mount translates to meters of error across a large-scale survey.

Airframe maintenance — Wings, control surfaces, servos. These are aviation maintenance concepts, not drone concepts. Our Trinity F90+ manual covers full airframe inspection procedures borrowed from aviation standards.

If you operate fixed-wing survey or VTOL platforms, generic drone guides won't help. We built dedicated manual packs specifically for the Trinity F90+ (€1,200) and Dragonfish Pro (€600) — because these machines deserve documentation as serious as their price tags.

Let's talk numbers.

A DJI Matrice 300 RTK costs around €10,000. A professional repair shop charges €200-500 per service visit. An Inspire 3 gimbal replacement at a certified center? €800+.

Here's what most operators don't realize:

80% of common drone issues can be diagnosed and resolved in the field — if you have the right documentation.

Real examples from our manuals:

• IMU recalibration after a rough landing: 15 minutes with the manual vs. 2 weeks shipping to a service center

• Motor replacement on an Alta X: €50 in parts + the manual vs. €600 at a repair shop

• Firmware recovery on a Matrice 350: free with proper diagnostic procedures vs. €300 at DJI service

The service manual pays for itself after a single avoided repair shop visit.

We provide the same caliber of documentation that authorized repair centers reference. The difference is you own it permanently, access it instantly, and use it anywhere — on set, in the field, or in your workshop.

All our manuals are priced below a single repair shop visit. That's not a coincidence.

After years working with professional drone documentation, one thing is clear: cinema drones and enterprise drones fail in completely different ways.

Cinema drones (DJI Inspire 3, Freefly Alta X) — pushed hard in controlled environments:

• Gimbal ribbon cables wear from repeated pan/tilt movements during long takes

• Overheating during extended 8K recording sessions

• Propulsion system stress from heavy payloads (RED, ARRI cameras)

Enterprise drones (Matrice 300/350 RTK, Dragonfish Pro) — deployed in harsh conditions:

• RTK module drift from prolonged temperature swings

• Battery management degradation from rapid charge/discharge cycles

• IP-rated seal breakdown from chemical exposure during industrial inspections

The repair approach is completely different for each. A gimbal recalibration on an Inspire 3 follows a CinemaDNG-aligned workflow. A Matrice 350's battery system requires AI diagnostic data logs.

This is why we built separate, specialized manuals for each platform. Generic "drone repair" guides don't cut it when you're servicing a €10,000+ machine.

Most drone operators fly with nothing but the quick-start guide that came in the box. That works — until something goes wrong at 400 feet.

Here's the difference nobody talks about:

User manuals tell you how to turn it on and fly it.

Service manuals tell you how to diagnose why it's drifting, how to recalibrate the IMU after a hard landing, and how to replace a motor without voiding your ability to get it airborne again.

If you operate a DJI Inspire 3, Matrice 300 RTK, or any enterprise-grade platform, the factory user guide covers maybe 20% of what you actually need to know in the field.

Service manuals cover:

• Complete diagnostic flowcharts for every error code

• Step-by-step motor and gimbal replacement procedures

• Firmware recovery and flight controller reset guides

• Sensor calibration sequences that go beyond "spin the drone in a circle"

We've compiled professional-grade service documentation for 7 of the most widely used enterprise and cinema drones on the market. All digital, instant access.

Stop guessing when your €15,000 drone throws an error code. Get the documentation that repair centers use.

Who We Are

EROX DIGITAL LTD is a specialist provider of professional drone service manuals and technical documentation. We supply comprehensive maintenance guides, calibration procedures, and repair documentation for the world's most advanced enterprise and cinema-grade UAV platforms.

What We Do

We do not sell drones — we sell the knowledge to maintain, service, and repair them.

Our manuals cover complete technical workflows including:

• Full disassembly and reassembly procedures

• Gimbal and sensor calibration guides

• Flight controller diagnostics and firmware recovery

• Motor, ESC, and battery system servicing

• Pre-flight inspection checklists

• Field repair procedures for remote deployments

Who We Serve

• Film production crews operating DJI Inspire and Freefly Alta platforms

• Enterprise inspection teams deploying Matrice RTK drones

• Drone repair technicians at authorized and independent service centers

• Surveying companies running fixed-wing mapping missions

• Government and defense contractors maintaining fleet operations

Our Catalog

We currently offer official-grade service manuals for:

• DJI Inspire 3 RAW · DJI Inspire 2 CinemaDNG/ProRes

• DJI Matrice 300 RTK · DJI Matrice 350 RTK

• Freefly Alta X · Autel Dragonfish Pro · Quantum Systems Trinity F90+

Every manual is delivered digitally — instant access, no waiting.