1. Product Overview
This product features a special Dot Matrix VFD (Vacuum Fluorescent Display), originally designed by LGL Studio. It functions as both a desktop clock and a retro-style decor piece.

2. Power Supply
Please use a USB power source of 5V / 0.5A or above. Avoid low-quality fast chargers or outlets shared with fast-charging devices to prevent damage.
3. Wi-Fi Setup

- Connect your phone to the Wi-Fi network: VFD_Clock_AP
- Default Admin Password: VFDadmin
(Set for privacy protection; can be changed on the settings page) - Important: You must connect and save Wi-Fi first. After that, you can set time, time zone, DST, and other options.
4. Re-enter Settings (AP Mode)
Press and hold the round button on the back. The screen will show the IP address (e.g., 192.168.xx.x). Enter this IP in your browser to access the settings page again.


Button Controls (Square / Triangle / Circle)
■ Square Button
- Click: Add +1 minute to timer
- Long press: Sync time once via network
▲ Triangle Button
- Click: Switch time font (Bold / Thin / Rounded)
- Double click: Change page transition effects
- Long press: Enter timer minute setting
○ Circle Button
- Click: Switch display mode (in Timer mode → decrease minutes)
- Double click: Brightness cycle (1–4) / Auto light sensor toggle
- Long press: Show IP address in AP mode

5. Basic Function Settings
- Brightness: Auto / Manual (1–4 levels)
- Flipping Effect: On / Off
- Font Style: Circle / Thin / Bold
- Time Format: 12H / 24H
- Display Mode: Time / Time+Date / Timer / Countdown
-
Date Format: MM/DD/YY and DD/MM/YY
6. Time Sync Modes
- Auto Sync: Automatically detects IP and time zone, syncs via NTP (Recommended)
-
Advanced Custom Mode: Manually set:
- Time zone (Standard & DST)
- DST start/end rules
- NTP server & offset
-
Offline Mode: Manually set time and date (for use without internet)

