BAND/CH table
A 5865M 5845M 5825M 5805M 5785M 5765M 5745M 5725M
B 5733M 5752M 5771M 5790M 5809M 5828M 5847M 5866M
E 5705M 5685M 5665M 5645M 5885M 5905M 5925M 5945M
F 5740M 5760M 5780M 5800M 5820M 5840M 5860M 5880M
R 5658M 5695M 5732M 5769M 5806M 5843M 5880M 5917M
L 5362M 5399M 5436M 5473M 5510M 5547M 5584M 5621M
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. Head tracker cable*1
  8. 5.8GHz 2dB antennas*2
  9. Video/Audio Cable*1
  10. USB-C Cable*1
  11. User Manual*1



  1. DC PORT(5.5*2.1mm)
  2. Head tracker port
  3. USB C port
  4. IPD Slider
  5. Focus adjustment wheel
  6. HDMI input
  7. SD card slot
  9. Earphone jack
  10. Volume/ Mode/Drone Finder
  11. Record/Delete
  12. System Menu/Headtracker
  13. CH/BAND/Search/Brightness
  14. Power/Fan


The SKY04L is a lite version(also LCOS version) of the SKY04 series. with focus adjustment, 1280*960 high-resolution LOCS screen, the screen has vivid color, the pilot can see more details in the racing. With a steady view receiver, the receiver merges two signals into one, avoid image tearing and rolling, and make the image more stable and clear in challenging condition. The newly designed optics have a focus adjustment feature and a 39-degree field of view, giving pilots a more immersive FPV experience. The new OS with 10 languages to set select, pilot has no trouble with the menu system, with the shuttle wheel and new user interface, the pilot can set all the settings just by rolling the wheel without taking off the goggle.SKYZONE-SKY04L-V2-LCOS-FPV-Goggles-fig-3


Quick Start Guide

  1. Install the antenna and faceplate.
  2. Use power cables to connect the battery to the goggles, goggles can power by a 2~6cell lipo battery, hold the power button to turn on.
  3. Focus adjustment: move the focus adjustment wheel to focus, and close one eye to adjust the focus, you can pop up the OSD menu as the template, when the image is clear, repeat the process with the other eye.
  4. IPD adjustment: move the IPD slider until there is no double vision of the image.

Band /Channel / Receiver mode setting

  1. Press the right wheel, then roll the right wheel to change the channel, press the wheel again switch to Band setting mode, then roll the wheel to change the Band. Press wheel again to select diversity or Mix mode.
  2. No wheel operation for 3 seconds, RF setting will quit the channel setting mode.
  3. Hold the right wheel to pop up the search menu, and press the right wheel to start the auto search, after searching all the frequencies, the receiver will work on the strongest signal. Roll the right wheel to manually select the channels, and hold the right wheel to quit searching.
    Some cameras on market didn’t follow the standard NTSC/PAL signal, causing the receiver to be confused in Mix mode, It will cause images getting dark, color distortion, and rolling images, users can switch to diversity mode to solve this issue.

Note: Sometimes the auto search channel is not accurate, the user may need manually select the channel.

Volume Setting

  • In all mode preview mode, roll the left wheel to adjust the volume.
  • The volume setting is only effective on the earbud. Not effective on AV OUT volume.
  • The system didn’t save the volume setting, in case of the volume is too high in AVIN or RF mode.


  • Short press the left wheel to pop up the mode menu.
  • RF normal: this mode is normal 48 CH receive mode.
  • RF Racing: this mode will make the receiver only work on RaceBand.
  • RF Third-Party: in this mode, the goggles button can’t control the external receiver, also the OSD of the goggles can’t read the band/channel of the receiver.
  • AVIN: When enabling the AV IN mode. The NTSC and PAL system formats can be supported to be automatically switched. The receiver module will be automatically turned off to save power.
  • HDMI IN: the receiver module and the video recording module will be automatically turned off to save power.
  • Playback: in this mode, customers can review the DVR files.


  • In playback mode, roll the right wheel to choose the DVR, short press the right wheel to play, and pause.
  • Left wheel to adjust the volume.
  • When playing the DVR, roll the right wheel to fast forward or fast backward.
  • Press the Right button to quit DVR.
  • Press the Left button to delete DVR.


  • Short press the right button to pop up or quit the system menu.
  • Roll right shuttle wheel to navigate, press the wheel into the sub-menu.

Head Tracking

  • The head tracking button is on the right side of the goggles.
  • The gyro required for an initialization time. When it is powered on, goggles must be kept horizontal and stable as long as possible. When hearing the sound of a “beep”, the initialization is done.
  • Hold HT button to reset the PPM signal to the center, goggles will beep when pressing the button.

Note:  Disable the Headtracker can save the gyro initialization time to speed up goggles boot time.

In the image setting menu, customers have standard, bright, vivid, soft and 3 customized files to select. Customers can adjust Brightness, Contrast, Saturation, Hue, and Sharpness to suit different environments. in 3 users 1/2/3, the image set can not change in 4 pre-set files.

  • The left button is the record button and the stop button.
  • Build in DVR H264 encoding, SD card recommends Class10, SD card can support up to 128GB.
  • SD card must be formatted into FAT32, user can get into the system menu to select the Format SD.
  • The video recording function can be used in both the RF Mode and the AV IN Mode.
  • By default, when recording the video (including Recording the sound), the “sound recording” function can be turned off in the system menu, then the video signal can be recorded only.
  • Automatic recording: enable this function, if the video signal has been detected, the recording will be activated automatically. The recording function can also manually be stopped by pressing the REC button. <Auto&Follow> on, the DVR will auto start recording when the video signal is on, and stop recording after the 30s when the signal is cut, if the signal is on again, DVR will start recording again.
    <Follow> Press the REC button to manually start recording, DVR will stop recording after the 30s when the signal is cut, but it will auto start recording when the signal is on. Press the REC button again and can manually stop rec to save SD card space.
  • Cyclic recording: Overwriting of older recordings on or off (in case of storage space is wasted).
  • The video recording File will be automatically divided into multiple Files. In the menu system, the video length can be set as: 5 minutes, 10 minutes, 20 minutes, and 30 minutes. The default video length can be set as 30 minutes / for each File.
  • If the power has been suddenly disconnected in the video recording process, the DVR will be damaged. The goggles have a repairing function. After entering into the Playback mode, the last DVR file will be automatically checked. If it has been damaged, the DVR file will be automatically repaired.


  • In the Display setting menu, the customer can set the topbar OSD time, disable OSD time out, and the OSD is always on.
  • In the Display menu, customer can set the RSSI icon: Icon + percentage, Icon, Percentage, Disable, also adjust the vertical position of the RSSI.
  • The Luminance of the LCOS screen and be adjusted in the menu (8 stage, default is 5). Normally do not set the brightness too high unless the image is dim.
  • Sleep MODE: To prevent screen burnout, the goggles have sleep mode, The sleep mode can be set in the menu( 1minute 3minutes 5 minutes, default 3 minutes.) When sleep mode is enabled the goggles will detect the movement of the goggles (via head tracker gyro), when the goggles stay still to the preset time, the buzzer will beep, after 10 seconds, the goggles will switch to sleep mode, and the screen will turn off, move the goggles to quit sleep mode.
  • In the Display setting menu, the customer can change the aspect ratio(4:3 or 16:9), default is 4:3. also user can switch to small for mode, and the image will cut at the edge of the screen.
  • When sleep mode is triggered, the rest functions of goggle is still working (receiver,DVR etc).
    Note: To quit Sleep mode: Move the goggles when hearing beep.


  • Power supply menu, the user can choose battery type(2S~6S) to make sure the goggles show the real capacity of the battery
  • Voltage calibration gives the user a ±0.9V range to adjust the voltage, when calibrating the voltage, use a multimeter to measure the loaded voltage of the battery, then use a shuttle wheel to adjust the voltage.
  • RSSI Calibration: use can calibrate the RSSI in this menu, to calibrate the RSSI, the user needs to remove the antenna, and turn off the VTX, then select yes, when calibration is done, the goggle will beep.
  • System Language can select English, French, German, Russian, Italian, Portuguese, Spanish, Chinese, Japanese, and Korean.
  • The built-in fan can not only be mainly used for defogging but also can be used to dissipate the heat. the speed of the fan can be set in the system menu, press the POWER button to start up/stop the fan. .·Factory Reset: The user can reset all the functions and settings in this menu.
  • DVR FW upgrade: The user can upgrade DVR Firmware from the SD card in this menu.
  • Firmware version: Goggles Firmware, DVR Firmware version and Serial Number will show in this menu.
    Note: The function of the wheel and buttons can be swapped from the left side to the right side, making it adapt to left-handed users. when the rotary switch is enabled, all the functions in the manual are changed from left to right.

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 the driver, the computer will show new removable storage. 3, Copy the Firmware(A/B) files to storage. goggles will install the update at the same time.
    Note: Even enabled the rotary switch function, the boot button is still left button. when the copying is done, the firmware upgrade is done.


  1. Take an SD card and format the card to FAT32.
  2. Copy the DVR Firmware to the SD card, insert it in the goggles and turn it on.
  3. Go to the system menu and choose DVR FM upgrade.

Receiver Firmware

  1. Take the receiver out, hold the boot button then connect the receiver to the computer.
  2. The computer will automatically install the driver, the computer will show new removable storage.
  3. Copy the Firmware File to the folder(Not the SD card). The receiver will installing the update at the same. time. When the copying is done, the firmware upgrade is done.SKYZONE-SKY04L-V2-LCOS-FPV-Goggles-fig-4

This content is subject to change, download latest version from:

Documents / Resources

SKYZONE SKY04L V2 LCOS FPV Goggles [pdf] User Manual
SKY04L, V2 LCOS FPV Goggles, SKY04L V2 LCOS FPV Goggles


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