Waydoo Subnado User Guide, Manual, and Safety Instructions

I Disclaimer

Please read this product manual and related warnings and Safety Guidelines carefully before use. Understand your legal rights, responsibilities, and safety instructions. This product is an underwater scooter. Improper use may cause severe injury or death. Use this product at your own risk. Users must understand and accept the inherent risks. Misuse may cause personal injury or property/product damage. Use only original or Waydoo certified accessories. By using this product, you accept all terms and content of this document. Users are responsible for their actions and consequences. Waydoo reserves the right to change components, specifications, or information without prior notice. For the latest information, visit www.waydootech.com.

WARNING: Minors under 16 years of age must be good swimmers and accompanied by a competent guardian familiar with this product and manual. Safety Guidelines contain partial operating safety knowledge and must be understood with general safety knowledge and common sense. Read the Disclaimer and Safety Guidelines carefully. Read the user manual to familiarize yourself with the product's functions. Failure to operate properly may cause serious injury or damage. Users need to be familiar with the product before operating. Never use damaged, unmaintained, or non-Waydoo supplied parts. Follow Waydoo instructions for installation and use. This document contains safety, operation, and maintenance information. Read all instructions and warnings carefully before assembling, setting up, and using.

FCC Cautions: This device complies with part 15 of the FCC Rules. Operation is subject to the following three conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. Shenzhen Waydoo Intelligence Technology Co.,Ltd. MADE IN CHINA. (3) Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

II Overview

2.1 Brief Introduction

Established in 2018, Shenzhen Waydoo Intelligence Technology Co.,Ltd. is a high-tech enterprise integrating R&D, production, and sales of water sports high-tech products. Waydoo launched the Waydoo Subnado, an underwater scooter, through technical innovations. Subnado features an advanced built-in battery design with a 98Wh lithium battery, brushless motor, motor drive, control, and charging circuit within a 60mm aluminum cylinder. It utilizes a USB-C charging system supporting fast charging protocols like PD 3.0, charging up to 100W. The power system uses a small diameter injection pump for propulsion efficiency, achieving up to 6.5 kg thrust. Its compact size and portability make it ideal for travel. Waydoo offers accessories like board and arm mounts for various scenarios. The quick-release & installation system allows for easy switching between scenarios.

2.2 Safety Guidelines

• Failure to follow these Safety Guidelines and warnings may result in serious injury or death.
• Minors under 16 years of age must be accompanied by a guardian.
• Refer to the user manual and watch tutorial videos before use.
• Do not use if under the influence of alcohol/drugs, or not physically or mentally fit for water sports.
• Keep away from fire. Avoid heavy pressure, squeezing, and dropping.
• Only operate underwater. Do not run the motor in air for more than 10 seconds.
• Ambient temperature for use: 0°C ~ 40°C (32°F ~ 104°F). Storage temperature: -10°C ~ 50°C (14°F ~ 122°F). Keep in shade when not in use.
• Keep fingers, hair, clothes, swimwear, drawstrings, necklaces, jewelry, netting, and loose items away from the propeller to avoid injury or damage.
• Do not use in waters with mud, sand, debris, seaweed, algae, and floating objects to prevent foreign objects from entering the propeller and damaging the power unit.
• Ensure water conditions are suitable for water sports and product use.
• Check for product damage, waterproof cover placement, and normal propeller function before use.
• Wear a swimming cap or helmet, avoid loose clothing, and maintain a safe distance from others, especially those with long hair or loose clothing.
• Hold the Handle Bracket tightly and do not point the front or tail at faces or eyes.
• Do not use a damaged or defective product.
• Do not use until you fully understand operating procedures and inherent risks.
• Do not disassemble or repair personally due to internal lithium-ion battery and circuitry; this can cause short-circuiting, electric shock, and fire.
• This product is not a substitute for, or aid in, basic swimming ability.

WARNING: This product contains an internal lithium-ion battery with risks of fire, explosion, and burns. Inspect housing for damage before charging. Never charge if damaged, near heat, or in water. Ensure battery connections are dry. Avoid excessive vibration, bumping, or collision. Keep away from volatile substances, acidic materials, sharp objects, or heavy objects. Dispose of lithium-ion batteries according to local laws. Never place in fire or furnace.

This is not a lifesaving device. Use appropriate equipment like a wetsuit, life vest, and mask. Check battery life often to return to shallow water before power loss. Have a companion or spotter when using.

Pay attention to the surrounding environment and maintain safe distance from watercraft, people, animals, plants, obstacles, and recreational equipment. Do not use in bad weather, strong offshore winds, or hazardous waters like rip tides or undercurrents.

If the user lets go of the product underwater, it will sink.

III Waydoo Subnado

3.1 Product Diagram

Components: Rear cover, Handle Bracket, Power switch, Propeller, Trigger, Main unit, Waterproof cover.

3.2 Product Features

• Two-speed thrust: Press the trigger twice quickly to switch between high and low gear. One beep for low gear, two beeps for high gear.
• Super gear: Press the trigger three times quickly. Three beeps indicate Super gear. Within 1 minute, press the trigger to start the propeller at maximum speed for ultimate thrust. After one minute, the unit automatically exits Super gear. To re-enter, press the trigger three times quickly again.
• Note: Battery SOC must meet a specific range to enter setting gears (see Figure 1). When SOC is below 25%, it switches to low gear. When SOC is below 37.5%, it exits Super gear and switches to high gear.

IV Charging

4.1 How to charge Subnado

1. Select a charger supporting PD protocol for faster charging.
2. Open the waterproof cover (facing down to prevent water entry). Check the USB-C port for moisture. Dry if wet; if seawater, clean thoroughly with alcohol. Insert the USB-C charging cable to start charging.
3. During charging, the power indicator displays as a marquee. The number of lights indicates current power.
4. The marquee speed indicates charging speed; faster marquee speed means faster charging.

4.2 Reverse charging function

1. Open the waterproof cover (ensure no water enters the USB-C port).
2. Power on the Subnado, then plug in the USB-C cable to connect to the target device. Charging begins. (Subnado must be powered on before connecting the device).
3. After charging, unplug the cable and turn off the Subnado.
4. Install the waterproof cover.

USB-C fast charging: Supports PD3.0, QC2.0, QC3.0, BC2.1 protocols. Max charging power is 100W (requires e-Mark cable).

Reverse charging: Can charge other devices. Supports PD3.0, PPS, QC3.0, QC2.0, BC1.2. Max reverse charging power is 100W (requires e-Mark cable).

Cruise Mode: After 15 seconds of continuous propeller rotation, release the trigger to enter auto cruise. Pull the trigger again to exit.

V Assembly Steps

Install the handle bracket on the main unit and the Wired Thumb Controller in the corresponding position.

Accessories Use Instruction: Use M4X8 screws to connect the handgrip to the Arm mount.

Arm Mount Assembly:

1. Hold the handgrip and place the Arm mount on the outside of the forearm. Wrap the strap 1-2 times depending on arm circumference.
2. Fasten the gourd buckle on one end of the strap.
3. Wrap the strap 2-3 times according to forearm circumference and fix with nylon tape.
4. Install the main unit to the Arm mount via the quick-release part.

Leg Mount Assembly:

1. Fix the Subnado leg mount to the outside of the leg. Install the main unit to the leg mount via the quick-release part. Note: Use the specially designed straps for the leg mount.
2. Fasten the belt around the waist. Pass the straps through the holes above the leg mount and fix with nylon straps.

Cylinder Bracket Assembly: Install the cylinder bracket on the oxygen cylinder; the main unit can be installed via the quick-release part.

Board Bracket Assembly: Tear off the sticker on the board bracket and glue it to the bottom of the board (e.g., surfboard). Install the main unit via the quick-release part to the board bracket.

Subnado Accessories Mount: Install the accessories mount on the main unit and tighten screws.

Subnado Water Cannon Kit Installation:

1. Unscrew the main unit's rear cover clockwise.
2. Install the shell onto the rear cover. Press the nozzle base down to connect the hose to the shell.
3. Water Cannon Kit installation complete. Note: Turn clockwise with force. When you feel two distinct jumps, the thread is in the best position. Apply force along the motor axis and rotate the shell counterclockwise. Otherwise, installation may be difficult or crooked.

Finger Safe Guard Installation: If fingers are slender and you are concerned about injury, install the finger safe-guard. (Note: Using the finger safe-guard increases water resistance, leading to higher power consumption, reduced efficiency, battery life, and thrust).

1. Unscrew the rear cover clockwise, remove the O-ring, and take off the propeller.
2. Remove the pin.
3. Insert the finger safe-guard into the groove, ensuring each end is pressed into place and engaged with the notch.
4. Place the pin correctly and assemble the propeller.
5. Install the O-ring, align the rear cover center with the shaft, and tighten the rear cover counterclockwise.

For assembly and use of other accessories, refer to relevant documents on the official website: www.waydootech.com.

VI How to use

1. Power on the Subnado, confirm power level (Figure 1) and listen for the self-checking tone.
2. Quickly press the trigger twice to switch between high and low gear. Quickly press the trigger three times to switch on/off Super gear mode. Beeps indicate the gear: one beep for low, two for high, three for Super. (Super gear lasts 1 minute. To re-enter, press trigger three times quickly).
3. Subnado supports two modes: Regular Working mode and Cruise mode. To turn Cruise mode on/off, simultaneously hold the trigger and power on the machine.

VII Product Specifications

VIII Error and Tone Indication

8.1 Error indication and solution

8.2 Tone Indication

IX Maintenance

9.1 Cleaning after use

After each use, rinse the product to maintain corrosion resistance and extend its life. Follow these principles:

1. After use in seawater, rinse the body shell with fresh water and dry it to prevent exterior corrosion and discoloration.
2. Ensure the waterproof cover is tightened before rinsing with fresh water.
3. Check for and clean any stones, salt, sand, or dirt from parts like connectors and propellers.
4. If foreign objects are wrapped around the propeller, remove the main unit's rear cover to clean.
5. After cleaning the main body, remove the waterproof cover and clean the charging port with clean, dry cotton swabs to ensure no water, sand, or foreign objects remain.
6. Dry the main unit before removing the waterproof cover to prevent seawater from dripping into the USB-C port. If water enters the port, dry it immediately.
7. If seawater enters the wired thumb controller's connector, clean with fresh water or alcohol and dry promptly to avoid poor contact due to corrosion.
8. If the shell's oxide layer is damaged, repair it promptly to prevent accelerated corrosion.

9.2 Storage

Follow these storage guidelines:

1. Ensure the power switch is off. Keep the product away from strong magnetic environments that might turn it on and drain the battery.
2. Store within the temperature range of -10°C to 50°C.
3. Do not store in humid, direct sunlight, or other harsh environments that may damage electronic devices.
4. Do not place near open flames or within reach of minors under 16.
5. Prevent the battery from over-discharging due to prolonged non-use.
6. If storing for a long time, ensure the battery level is between 50% and 62.5%. Charge the unit to 50-62.5% every three months.

Warranty Terms

Warranty Policy

Waydoo warrants that the product will be free from defects in materials and workmanship under normal use for the warranty period. The warranty period starts from the day of receipt. The main unit warranty is 12 months. If proof of purchase is unavailable, the warranty starts from the ex-factory date or as specified by Waydoo.

How To Obtain After-sales Service

If the product malfunctions during the warranty period, contact Waydoo for service. Service availability and policies may vary by region. Services outside the normal scope may incur additional charges. Contact Waydoo or a local authorized dealer for more information.

Request For Warranty Service

Contact Waydoo or an authorized distributor for warranty services. Provide a detailed description of the problem and proof of purchase. Waydoo technical support will attempt to diagnose and resolve the issue via email or remote assistance. If the problem persists, Waydoo may request the product be sent back for testing and repair.

Replacement Products and Parts

When a product or part is replaced, the replacement becomes your property, and the replaced item becomes Waydoo's property. Only unaltered Waydoo products and parts are eligible. Replacement items may be used but are functionally equivalent and covered by the remaining warranty period.

Use of Personal Contact Information and Data

Obtaining service authorizes Waydoo to store and use your contact information for service purposes, including contacting you about satisfaction, recalls, or safety issues. Waydoo may transfer your information internationally to entities acting on its behalf and may disclose it as required by law.

After-Sale Warranty Policy Limitations

This policy does not cover:

• Collisions or fire accidents caused by non-product quality issues.
• Damage from private modification, disassembly not following instructions.
• Damage from incorrect installation, use, or operation.
• Damage from customer's own maintenance or repair not following instructions.
• Product failure due to use or storage in harsh environments.
• Damage or abnormalities from complex electromagnetic or strong interference environments.
• Damage from forced operation when components are aged or damaged.
• Damage from misuse of third-party parts or accessories not certified by Waydoo.
• Battery damage from excessive discharge.
• Damage from improper maintenance leading to corrosion.

Limitation of Liability

Waydoo is responsible for loss or damage to your product only while it is in Waydoo's possession or in transit if Waydoo is responsible for transportation. Waydoo is not responsible for the loss or disclosure of any data, including confidential, proprietary, or personal information. This limitation may not apply if data loss/disclosure is due to Waydoo's inadequate data storage security or the user's own actions (e.g., discarding old products). Waydoo, its affiliates, suppliers, resellers, or service providers are not liable for third-party claims, data loss/disclosure, or consequential damages (including lost profits, business revenue, goodwill, or anticipated savings), even if informed of their possibility. Waydoo's total liability is limited to the actual direct damages, not exceeding the product's purchase price. This limitation does not apply to bodily injury (including death), real property damage, or tangible personal property damage for which Waydoo is liable by law. Some jurisdictions may not allow limitations on incidental or consequential damages.

Your Other Rights

This Limited Warranty provides specific legal rights. You may have other rights based on applicable laws in your state or jurisdiction, or under a written agreement with Waydoo. Statutory rights of consumers regarding product sales cannot be waived or limited by agreement.

For technical support or inquiries, email support@waydootech.com or contact local authorized dealers.

Minors under 16 must be accompanied by a guardian. Read and understand the manual before use. Spinning propeller can cause serious injury. Contains integrated lithium-ion battery. Abide by local laws for operation, transport, and disposal.