APP Instruction Manual

Attachment 1: Instructions for APP Installation

1. Step 1: Turn on the radio RF320

2. Step 2: Download the APP

Android System: Use your mobile browser to scan the following QR code to download the APP.

iOS System: Go to "App Store" and search "Radio-CT" to download the App.

[QR code for Android: Radio-C download]

[QR code for iOS: Radio-CT App Store download]

2.1: Click "download" → Click "continue" → Installation finished, click "open the app" → APP icon is displayed.

[Screenshot showing Radio-c.apk download progress]

[Screenshot showing Application Permission prompt with options to Continue or Cancel]

[Screenshot showing "Complete Installation" with 185 MB size]

[App icon for Radio-c]

App Usage

2.2: Click the APP icon to enter and use → Click the Bluetooth symbol at the bottom right on the APP → Click "permit" → Click the symbol again → Choose "RF320-BLE" → "Successful connection".

[Screenshot of Radio-c requesting Bluetooth permission with options to refuse or permit]

[Bluetooth symbol indicating connection status]

[Screenshot of Radio-C app showing "Please turn on Bluetooth and List of bluetooth" with RF320-BLE listed]

[Screenshot of Raddy RF320 radio interface showing frequency 99.30 MHz and various controls]

Attachment 2: Description of Symbols on APP Interface

The Raddy RF320 app interface includes the following elements:

No.	Symbols	Functions
1	Demodulation	Demodulation mode symbol
2	Bandwidth	Bandwidth
3	SNR	Signal-to-noise ratio
4	RSSI	Signal intensity
5	VOL	Volume symbol
6	Band	Click to select the FM, AM, SW, VHF
7	Preset	7-1: "Preset" display: recall station. Press digital buttons to select memory station number and then press "Enter" to confirm. 7-2: "Preset" flashing: manual station storage. Find target frequency points, long press [MEMO], "Preset" symbol flashes, then press ⇨ or digital buttons to select preset channel number. Press [MEMO] key to confirm. 7-3: "Preset--" symbol: No stored stations.
8	⚙️	View the device version
9		Battery symbol
10		Radio Frequency display
11	KHz MHZ	Unit display
12		Edit the name of the frequency station: Long press this location and enter the current frequency according to the language prompt.
13	MEMO	13-1: Press: enter recall station mode: press [⇨] button select station. 13-2: Long press: manual station storage: find target frequency points, long press [MEMO] key, "Preset" symbol flashes, press [⇨] to select preset channel number. Press [MEMO] key to confirm.
14		Play & pause
15		Switch between TF card play mode and Bluetooth play mode. Note: For Bluetooth music, enable phone Bluetooth, select "RF320" in search list, then play.
16		16-1: Digital key frequency: press [ENTER], press digital buttons for target frequency, press [ENTER] for confirm. 16-2: Recall station: press digital buttons, press [ENTER] for confirm. 16-3: Select track: press digital buttons for desired track, press [ENTER] for confirm.
17	METE	In SW mode, select meter wave
18	SCAN	18-1: In reception mode, long press to search channels automatically. 18-2: In WB band, long press to enter alarm mode, long press again to exit.
19		Set/close the clock
20	SUB BAND	20-1: In SW mode, press to switch between 11 meter waves. 20-2: In FM mode, press to switch between 4 meter waves.
21		+/- (adjust frequency/choose song/take channel/choose storage address)
22	SQ/EQ	22-1: EQ: for play mode: E1: NORMAL, E2: POP, E3: ROCK, E4: JAZZ, E5: CLASSIC, E6: COUNTRY. 22-2: SQ: In AIR band mode, press SQ to toggle squelch switch.
23	VOL +/-	Volume +/-
24	BAND	Band switching
25		25-1: Power on/Power off. 25-2: Disconnect APP connection: After pressing "off" on APP interface, radio displays time state. Long press [MOD] on radio button. Radio displays "bLE OFF", means APP disconnected forcibly.
26	SOS	26-1: Long press to turn on/off SOS alarm. 26-2: Press to turn on/off the light.
27	LOCK	Long press to lock, long press again to unlock.
28		Connect the mobile APP to the radio.
29		Equipment calibration time
30		Set your Sleep Time
31	REC	Record in Radio reception mode. Note: Insert TF card into the radio before recording. Press to enter recording mode. Press again to exit.

Attachment 3: Working Modes on APP Interface

The app supports several working modes:

• Radio Mode: Displays radio frequency, band, and signal information.
• BLUETOOTH MODE: Shows "Bluetooth connected!".
• TF card play mode: Displays song title, artist, and playback progress.
• Connection computer for audio-in: Indicates connection for audio input.

Instruction 1: In play music mode, click the interface symbol to choose an EQ sound effect: NORMAL, POP, ROCK, JAZZ, CLASSIC, COUNTRY.

Instruction 2: In TF play mode, click TF card play order to choose:

• (Repeat all, the radio displays: rA)
• (Repeat one, the radio displays: r0)
• (Repeat the songs in current folder, the radio displays: rF)
• (Random play, the radio displays: rr)