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Your LitUp Window Poster is a single LED sign driven by a built-in NovaStar controller. You never program the controller directly. Instead you send content and settings to it from free NovaStar software. This guide splits into two paths: pick the one you are using with the PC or Phone switch at the top right, and swap any time.
ViPlex Express (Windows) is the full tool for building and publishing content, and is best for designing layouts. Download it from NovaStar's website.
ViPlex Handy (iOS and Android) handles everyday publishing, brightness, and on or off from your pocket. Get it from the App Store or Google Play.
Your device and the controller need to be on the same network, and you will need your sign's pixel size once: 320 by 480 for a portrait poster, or 480 by 320 for landscape. The rest of the manual follows the path you choose above.
The Window Poster mounts in portrait or landscape and ships ready to hang, with the controller and light sensor built into the frame. However you orient it, the setup steps are the same.
Content travels from your device, across the network, into the controller, which then plays it on the sign on its own.
The Window Poster runs in async mode. Once you publish, the content is copied onto the controller and stored there. You can close the app, shut the laptop, and the sign keeps playing what you sent. You only reconnect when you want to change something, and you can do that from either a PC or a phone.
You rarely touch the controller once it is installed, but here is what each connection does.
The ETHERNET port carries data to your LED display and connects the controller to your network, so leave it plugged in. The SWITCH powers the unit on and off. HDMI IN takes a live video source, USB 2.0 loads content from a U-disk, and the SIM CARD slot is for optional 4G. Two antennas handle Wi-Fi and 4G, and the PWR/CLOUD and SYS/RUN lights show it is powered and running. On the other side of the unit you will find the 12V power input, a RESET button, an audio output, and a label with the Wi-Fi name and password.
There is a small reset button on the controller. Hold it for about a minute to restart it, and the password returns to the factory default SN2008@+. Change it back to your own afterward.
Do this once at the start of every session.
Everything you display is bundled into a solution, a playlist of images, videos, and text. Build it, then publish it.
Publishing always overwrites what is on the sign. That is the key idea.
Open the solution, delete or replace the image, video, or page, then publish again. The new version replaces the old one.
Publish a simple holding page (black, or a logo). To tidy your library, select an old solution and click Delete.
Deleting a solution inside the software does not change what is on the sign. Only publishing changes what the sign shows.
With the light sensor fitted, the sign dims at dusk and brightens at midday, which is easier on the eyes at night and on your power bill.
A good baseline, nudge to taste once you see the sign in real conditions:
| Setting | Start | What it controls |
|---|---|---|
| Max screen brightness | 100% | Brightest the sign goes (full daylight) |
| Min screen brightness | 10% | Night floor, dim but still readable |
| Max ambient | ~15,000 | Reading that counts as full daylight |
| Min ambient | ~500 | Reading that counts as night |
If the table includes a 0% step, the sign can dim all the way to black. Remove the 0% step to hold a minimum glow, then Apply.
Do this once at the start of every session.
The first time you join, open your phone's settings for this network and turn Auto-Join OFF. Switch to Internet Control (VNNOX cloud sign-in) to manage the sign from anywhere.
The controller only lets one phone onto its Wi-Fi at a time. If its network is not showing up, another phone is almost certainly still connected. Make sure nobody else is connected and it will reappear. This is exactly why you turn Auto-Join off: it stops your own phone from silently grabbing and holding the connection next time.
On the phone you build the same kind of solution, a playlist, then publish it.
Publishing always overwrites what is on the sign. That is the key idea.
On the solution list, slide the solution to the left to delete it. To clear the sign, publish a black or logo holding page.
Deleting a solution in the app does not change what is on the sign. Only publishing changes what the sign shows.
Every Window Poster ships with a light sensor built into the frame, so Smart brightness works out of the box. With it on, the sign dims at dusk and brightens at midday, which is easier on the eyes at night and on your power bill.
The same baseline as the PC path works here; nudge to taste once you see the sign in real conditions:
| Setting | Start | What it controls |
|---|---|---|
| Max screen brightness | 100% | Brightest the sign goes (full daylight) |
| Min screen brightness | 10% | Night floor, dim but still readable |
| Max ambient | ~15,000 | Reading that counts as full daylight |
| Min ambient | ~500 | Reading that counts as night |
If the table includes a 0% step, the sign can dim all the way to black. Remove the 0% step to hold a minimum glow, then save.
To confirm the sensor is reading, open Monitoring and look at Ambient Brightness. It shows a live value only when the light sensor is connected.
Confirm you are on the same network, then refresh. A grey dot means offline, so check power and the network cable.
The controller allows just one phone on its Wi-Fi at a time. If its network is not listed, another phone is still connected. Turning off Auto-Join keeps your phone from holding it.
You probably edited but did not re-publish. Publish again and wait for it to finish.
The solution resolution does not match the sign. Rebuild the solution at the correct pixel size.
Lower the min screen brightness, or remove low steps from the mapping table. Make sure it is on Smart, not Manual.
Check power first. After a power cut the controller restarts and resumes the stored content on its own; if it does not, reconnect and re-publish your solution.
Call us. LitUp set up your system and we can log in to help. Have your sign's location and what changed last on hand.