SKY04L LCOS FPV Goggle User Manual

Introduction

The SKY04L is the lite version (LCOS version) of the SKY04 series. It features a 1280x960 high-resolution LCOS screen with vivid colors, allowing pilots to see more details during FPV racing. The SteadyView receiver merges two signals into one, reducing image tearing and rolling for a more stable and clear image in challenging conditions. The newly designed optics include focus adjustment and a 39-degree field of view, providing a more immersive FPV experience. The updated OS supports 10 languages, and the shuttle wheel with a new user interface allows pilots to adjust all settings without removing the goggles.

Key Features:

• Focus Adjustment
• 1280x960 LCOS Display
• SteadyView Receiver for signal merging
• 39° Field of View (FOV)
• 10-language OSD menu
• Shuttle wheel for easy navigation

Specifications

BAND/CHANNEL Table

This table lists the available frequency bands and channels for the 5.8GHz receiver.

Sensitivity: -98dBm ±1dBm

Antenna Port: 2 x SMA-K, 50ohm

Package Included

1. Goggles*1
2. Receiver Module*1
3. Faceplate*2 (wide and narrow)
4. Sponge with velcro*1
5. Zipper case*1
6. Power cable*1
7. Headtracker cable*1
8. 5.8GHz 2dB antennas*2
9. Video/Audio Cable*1
10. USB-C Cable*1
11. User Manual*1

Diagrams and Ports

1. DC PORT (5.5*2.1mm)2. Head tracker port3. USB C port4. IPD Slider5. Focus adjustment wheel6. HDMI input7. SD card slot8. AV IN/OUTPUT9. Earphone jack10. Volume/ Mode/Drone Finder button11. Record/Delete button12. System Menu/Headtracker button13. CH/BAND/Search/Brightness button14. Power/Fan button

Quick Start Guide

1. Install the antenna and faceplate.
2. Connect a battery to the goggles using the power cables. The goggles can be powered by a 2~6 cell LiPo battery. Hold the power button to turn on.
3. Focus Adjustment: Move the focus adjustment wheel. Close one eye and adjust until the image is clear (the OSD menu can be used as a template). Repeat for the other eye.
4. IPD Adjustment: Move the IPD slider until there is no double vision of the image.

Settings and Operation

Band / Channel / Receiver Mode Setting

1. Press the right wheel to enter channel selection. Roll the wheel to change the channel. Press again to switch to Band setting mode, then roll the wheel to change the Band. Press again to select diversity or Mix mode.
2. RF settings will exit channel setting mode after 3 seconds of no wheel operation.
3. Hold the right wheel to pop up the search menu. Press the right wheel to start auto search. After searching all frequencies, the receiver will work on the strongest signal. Roll the right wheel to manually select channels. Hold the right wheel to quit searching.

Note: Some cameras may not follow standard NTSC/PAL signals, causing receiver confusion in Mix mode (dark image, color distortion, rolling image). Switch to Diversity mode to resolve this. Auto search may not always be accurate; manual selection might be necessary.

Volume Setting

• In all preview modes, roll the left wheel to adjust the volume.
• Volume setting is only effective for the earphone jack; it does not affect AV OUT volume.
• The system does not save the volume setting to prevent excessively high volume on AVIN or RF modes.

MODE MENU

Short press the left wheel to pop up the mode menu:

• RF Normal: Normal 48 CH receive mode.
• RF Racing: Receiver works only on RaceBand.
• RF Third-Party: Goggle buttons and OSD cannot control or read external receivers.
• AVIN: Supports automatic switching between NTSC and PAL formats. The receiver module is turned off to save power.
• HDMI IN: Receiver module and video recording module are turned off to save power.
• Playback: Review DVR files.

PLAYBACK Mode

• In playback mode, roll the right wheel to choose a DVR file. Short press the right wheel to play and pause.
• Use the left wheel to adjust volume.
• While playing a DVR, roll the right wheel to fast forward or fast backward.
• Press the right button to quit DVR playback.
• Press the left button to delete the current DVR file.

System Settings Menu

Short press the right button to pop up or quit the system menu. Roll the right shuttle wheel to navigate and press the wheel to enter sub-menus.

Head Tracking

• The head tracking button is on the right side of the goggles.
• The gyro requires an initialization period. When powered on, keep the goggles horizontal and stable. Initialization is complete upon hearing a "beep".
• Hold the HT button to reset the PPM signal to the center; the goggles will beep when pressed.
• Disabling the Headtracker can save gyro initialization time, speeding up goggles boot time.

Image Settings

Options include Standard, Bright, Vivid, Soft, and 3 customizable profiles (User 1/2/3). Adjust Brightness, Contrast, Saturation, Hue, and Sharpness to suit different environments. Settings in the 3 user profiles cannot alter the 4 pre-set files.

DVR Settings

• The left button serves as the record and stop button.
• Built-in DVR uses H.264 encoding. A Class 10 SD card is recommended, supporting up to 128GB.
• SD cards must be formatted to FAT32. Use the system menu to select "Format SD".
• Video recording functions in both RF Mode and AV IN Mode.
• "Sound recording" can be turned off in the system menu to record video signal only.
• Automatic Recording: If enabled, recording activates upon video signal detection. It can be manually stopped.
  • <Auto&Follow>: DVR auto-starts with video signal, stops 30s after signal loss. Restarts recording if signal returns.
  • <Follow>: Press REC to manually start. Stops 30s after signal loss but auto-restarts when signal is present. Press REC again to manually stop.
• Cyclic Recording: Overwrites older recordings to save storage space (can be turned on/off).
• Video files are automatically divided into multiple files. File length can be set to 5, 10, 20, or 30 minutes (default is 30 minutes per file).
• If power is suddenly disconnected during recording, the DVR may be damaged. The goggles have a repairing function; the last DVR file is automatically checked and repaired upon entering Playback mode if damaged.

Display Settings

• Set top bar OSD time, disable OSD timeout, or keep OSD always on.
• Configure RSSI icon display: Icon + percentage, Icon only, Percentage only, or Disable. Adjust vertical RSSI position.
• LCOS screen luminance can be adjusted in 8 stages (default is 5). Avoid setting brightness too high unless the image is dim.
• Sleep Mode: To prevent screen burn-in, goggles have a sleep mode. Set sleep timer (1, 3, or 5 minutes; default is 3 minutes). When enabled, goggles detect movement via the headtracker gyro. If stationary for the preset time, a buzzer beeps, and after 10 seconds, the screen turns off (sleep mode). Moving the goggles quits sleep mode.
• Change aspect ratio (4:3 or 16:9; default is 4:3). A "small FOV mode" can be switched to, which crops the image at the screen edges.
• When sleep mode is triggered, other functions (receiver, DVR) remain active.
• To quit Sleep mode: Move the goggles when hearing the beep.

System Menu

• Power Supply Menu: Select battery type (2S~6S) for accurate battery capacity display.
• Voltage Calibration: Allows adjustment within a ±0.9V range. Measure the loaded battery voltage with a multimeter and use the shuttle wheel to adjust.
• RSSI Calibration: Calibrate RSSI by removing antennas and turning off the VTX. Select "Yes" to start calibration; the goggles will beep upon completion.
• System Language: Select from English, French, German, Russian, Italian, Portuguese, Spanish, Chinese, Japanese, Korean.
• The built-in fan aids defogging and heat dissipation. Fan speed can be set in the system menu. Press the POWER button to start/stop the fan.
• Factory Reset: Resets all functions and settings.
• DVR FW Upgrade: Upgrade DVR firmware from an SD card.
• Firmware Version: Displays Goggles Firmware, DVR Firmware version, and Serial Number.
• The function of the wheel and buttons can be swapped to the opposite side to accommodate left-handed users. When the rotary switch function is enabled, all manual functions change from left to right.

Firmware Update

⚠️ IMPORTANT: This content is subject to change. Download the latest version from: www.skyzonehobbies.com

Goggles Firmware Update

1. Connect goggles to the computer.
2. Hold the left wheel, then turn on the goggles. The USB cable will power the goggles. Release the left wheel. The computer will automatically install drivers and show a new removable storage device.
3. Copy the Firmware (A/B) files to the storage device. The goggles will install the update simultaneously.
4. Even with the rotary switch function enabled, the boot button remains the left button. Firmware upgrade is complete when copying is done.

DVR Firmware Update

1. Take an SD card and format it to FAT32.
2. Copy the DVR Firmware to the SD card. Insert the SD card into the goggles and turn them on.
3. Go to the system menu and select "DVR FW upgrade".

Receiver Firmware Update

1. Remove the receiver module. Hold the boot button while connecting the receiver to the computer.
2. The computer will automatically install drivers and show a new removable storage device.
3. Copy the Firmware File to the folder (not the SD card). The receiver will install the update simultaneously. Firmware upgrade is done when copying is complete.