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Navigator Setup and Operation

How to mount/dismount, power on/off, use VCN buttons, interpret taillights, and adjust HUD.

Overview

The C-THRU Navigator is the firefighter’s primary interface with the system.

It mounts directly to the helmet and provides live augmented vision, communication, and navigation through its Power Module (PM) and Vision Module (VM).

1. Components

Part

Description

Power Module (PM)

Contains the onboard computer and battery.

Vision Module (VM)

Houses the thermal camera, projector, and HUD lens.

Helmet Mount

Quick-attach mechanism that aligns with the RFID chip to identify the user.

USB-C Cable

Connects PM and VM. Ensure cable is seated firmly before use.

 

2. Mounting and Connection

  1. Place the helmet on a stable surface.

  2. Align the mounting posts on the Navigator with the helmet mount slots.

  3. Slide the Vision Module until you hear a secure click.

  4. Connect the USB-C cable between PM and VM.

  5. Confirm that taillights flash green/green — indicating proper connection.

Tip: Mount/dismount time should be under 20 seconds once trained.

3. Powering On and Resetting

  • Power On: Press and hold the power button for ~5 seconds.

  • Power Off: Press and hold again until taillights flash yellow.

  • Hard Reset: Hold the power button for 10 seconds until lights cycle.

Startup sequence:

White → Green/Green = System operational

Green/Yellow = Alert (low battery or connectivity)

Red/Red = Mayday

Purple = Over-the-Air update in progress

4. Using the VCN Buttons

On the Vision Module, buttons are positioned back-to-front for use with gloved hands:

Button

Function

Notes

V – Vision

Toggle through vision modes; long press (~3 sec) activates laser.

5 modes available.

C – Communication

Send or acknowledge messages (EVAC, PAR, F2F, Mayday).

Hold to transmit Mayday.

N – Navigation

Set or cancel navigation compass at entry side.

Hold until blue banner fills.

HUD Adjustments

  • Brightness: Press Vision + Communication simultaneously.

  • Battery/Connection Check: Press Communication + Navigation simultaneously.

5. Before Entry

  1. Turn on the device and confirm full battery.

  2. Check connectivity to the Command Console.

  3. Set the navigation compass while facing the Alpha side of the structure.

  4. Activate laser if desired.

  5. Confirm HUD visibility and alignment (not fogged or obstructed).

6. Post-Incident Care

  • Power off and disconnect from the helmet.

  • Remove soot or moisture with a soft cloth or fire-service wipe.

  • Inspect for damage and recharge batteries immediately after use.

  • Never submerge the device or use pressurized air to clean.

Safety Reminder

If the HUD fails or visibility is compromised, revert immediately to traditional search and evacuation procedures.

Never delay tactical movement due to device malfunction.