Below are the controls and indicators of the Innova 3380 Handheld Borescope:

1. 'Power' button – Turns the borescope 'On' and 'Off'.
2. 'Home' button – When pressed while in display mode, adjust the LCD color balance using the 'Left/Decrease' and 'Right/Increase' buttons. When pressed while rotating the displayed image or adjusting the display brightness, it returns the borescope to display mode.
3. 'LED' button – When pressed, it lets you adjust the LED brightness using the 'Left/Decrease' and 'Right/Increase' buttons.
4. 'Rotate Image' button – When pressed, it lets you rotate the image shown on the LCD display using the 'Left/Decrease' and 'Right/Increase' buttons.
5. 'Brightness' button – When pressed, it lets you adjust the LCD display brightness using the 'Left/Decrease' and 'Right/Increase' buttons.
6. 'Left/Decrease' button – Depending on the selected operating mode (see items 2 through 5 above), it rotates the displayed image to the left, or decreases the color balance, LED brightness or LCD display brightness, as applicable.
7. 'Right/Increase' button – Depending on the currently selected operating mode (see items 2 through 5 above), it rotates the displayed image to the right, or increases the color balance, LED brightness or LCD display brightness, as applicable.
8. Power indicator – Lights when the borescope is turned on.
9. Camera Connector – Connector for the snake camera.
10. LCD Display – Displays the video feed from the snake camera.
11. Snake Camera – Routes camera to areas of limited access.
12. Camera – Supplies video feed to the LCD display.
13. LEDs – Provide illumination in low-light areas.
14. Accessory Slot – Attachment point for borescope accessories.