Catena Android App User Guide¶

Welcome to the Catena app for watching television on Android!

📱 Table of Contents¶

Installation
Logging In
Watching Channels
Video Playback
Viewing Archive
Useful Tips
Troubleshooting

Installation¶

System Requirements¶

Operating System: Android 5.0 (Lollipop) or higher
Minimum RAM: 2 GB
Free Space: 50 MB
Internet Connection: Wi-Fi or mobile network (recommended 5 Mbps+)

Install from Google Play Store¶

Open Google Play Store on your Android device
Search for "Catena" or "com.flussonic.catena"
Find Catena app by Flussonic developer
Tap "Install" button
Wait for installation to complete
Tap "Open" to launch the app

Direct link: Catena on Google Play Store

Install from APK File¶

If the app is not available in Google Play Store in your region:

Download APK file from official website or get it from your service administrator
In Android settings, enable "Install from unknown sources"
Path: Settings → Security → Unknown sources
Open downloaded APK file
Tap "Install"
Launch the app after installation

Important: Only install APK from trusted sources!

First Launch¶

On first launch, you need to log in using your phone number.

Step 1: Enter Phone Number¶

Launch Catena app
Select country code from dropdown (e.g., "+1" for USA)
Enter phone number without country code
Example: for number +1 234 567-8901 enter 2345678901
Tap "Send Code" button (or press Enter on keyboard)

Step 2: Enter SMS Code¶

You will receive SMS with 4-digit code
Enter this code in "SMS code" field
Code is verified automatically when entering 4th digit
Or tap "Confirm" button

After successful login: - Your access token is saved automatically - Next time you launch, login happens automatically - You will arrive at main screen with channel list

Logging Out¶

To log out of the app: 1. On main screen, tap "Logout" button in top-right corner 2. You will return to login screen

Watching Channels¶

Channel Selection¶

On main screen you will see list of all available TV channels.

For each channel displayed: - Channel name - Current program (what's on now) - Next program (what's coming up)

Start Watching¶

Find channel you're interested in the list
Tap on channel - playback screen will open
Video will start playing automatically

Refresh Channel List¶

To update channel and program information: - Pull screen down (swipe down) on main screen - Channel list and programs will refresh

Video Playback¶

Playback Controls¶

In portrait orientation (vertical): - Tap on screen - playback controls will appear - Standard buttons available: - ⏯ Pause/Play - ⏪ Rewind - ⏩ Fast forward

In landscape orientation (horizontal): - Automatically switches to fullscreen mode - System panels hide for maximum comfort - Tap on screen to show controls - Controls automatically hide after 3 seconds

Channel Switching¶

Method 1: Swipe Up/Down (in portrait mode)¶

Swipe up (swipe finger up on screen) → switch to next channel
Swipe down (swipe finger down on screen) → switch to previous channel

When starting swipe you will see: - Top: previous channel name - Bottom: next channel name

Method 2: "Next Channel" Button¶

At bottom of playback screen there's a "Switch to [channel name]" button
Tap it to switch to next channel

Screen Rotation¶

Portrait mode: Video player occupies top part of screen, program schedule shown below
Landscape mode: Fullscreen video playback, all interface elements hide

Viewing Archive¶

What is Archive?¶

Archive allows viewing programs that already aired. You can watch shows that were broadcast earlier.

How to Open Program Guide (EPG)¶

On playback screen in portrait mode: - Scroll down - there you'll see program list for current channel - List shows programs: - Already aired (past) - Currently airing (highlighted) - Scheduled for later (future)

Watch Program from Archive¶

On playback screen scroll down to program list
Find show you want to watch
Tap on program from list
Program will start playing from beginning

Program Information¶

For each program displayed: - Start time and end time - Program title - Description (if available) - Current program is highlighted visually

Automatic Switching¶

When one program ends, next program automatically starts
You can watch channel continuously, programs will switch automatically
On automatic switch, next program starts from beginning

Current Playback Time¶

Top of screen shows: - Exact playback time - which moment of recording you're watching - This helps navigate when viewing archive

💡 Useful Tips¶

For Smartphones¶

Rotate phone horizontally for fullscreen viewing
Pull down on main screen to refresh channel list
Swipe up/down on player for quick channel switching

After first successful login, token is saved
Next time you launch app, login happens automatically
You don't need to enter phone number and code each time

Playback Quality¶

App automatically adjusts quality to your internet speed
For best quality use Wi-Fi connection

Gesture Controls¶

Single tap on screen - show/hide controls
Swipe up - next channel
Swipe down - previous channel

❓ Troubleshooting¶

SMS Code Not Received¶

Check entered phone number is correct
Make sure correct country code is selected
Wait 1-2 minutes - sometimes SMS arrives with delay
Try requesting code again

Error "sms code doesn't match"¶

Check entered code from SMS is correct
Code valid for limited time - request new code if much time passed

Video Not Playing¶

Check internet connection
Try switching to another channel
Close and reopen app
Ensure you have access to selected channel

Channel List Empty¶

Check internet connection
Pull screen down to refresh
Log out and log in again
Contact administrator - perhaps no channels configured for your account

Video Stutters or Buffers¶

Check internet connection speed
Connect to Wi-Fi instead of mobile internet
Close other apps using internet
Try viewing at different time of day

📞 Support¶

If you have issues with the app not described in this guide: - Contact your TV service administrator - Provide exact problem description - Report your device model and Android version

Enjoy watching! 📺