Radtel RT 950 - manual for a handheld transceiver with multi-band operation, scanning, repeater mode, APRS, Bluetooth, and radio communication settings.

Radtel RT 950 Operating Manual for handheld transceiver

(!) This manual is compiled to ensure accuracy, but the company assumes no responsibility for errors or omissions. Product design and specifications may change without prior notice. Reproduction or distribution requires written authorization. Third-party products are the property of their respective owners.

(!) This product is intended for professional use meeting RF energy radiation requirements. Users must be aware of RF hazards and comply with limits.

RF Radiation Basics

RF (Radio Frequency) refers to electromagnetic frequencies used in communications, medical and food processing, generating RF radiation during use.

FCC Regulatory Requirements

This product complies with FCC RF radiation limits for sale in the U.S. market. Manufacturers must label the product to enhance user awareness of radiation protection.

RF Radiation Safety

Experts have developed RF radiation standards, including Title 47, Part 2, Subpart J of the CFR, ANSI/IEEE C95.1-1992, IEEE C95.1-1999, and ICNIRP standards.

RF Radiation Control and Operating Instructions

(!) For optimal performance and compliance in occupational/controlled environments, transmission time should not exceed a 50% duty cycle. RF energy is generated only during transmission (talking), not receiving or standby. Maintain a minimum distance of 2.5 cm between the device and the body during transmission.

Getting to Know the Device

The device features a Channel Knob, Power Switch/Volume Knob, PTT A Button, PTT B Button, Side Key 1, Side Key 2, and a Speaker. It also includes an Antenna, Indicator Light, Display Screen, Accessory Interface, Interface Cover Screw, Function Keypad, and Numeric Keypad.

1. Channel Knob
2. Power Switch/Volume Knob
3. PPT A Button
4. PPT B Button
5. Side Key 1
6. Side Key 2
7. Speaker
8. Antenna
9. Indicator Light
10. Display Screen
11. Accessory Interface
12. Interface Cover Screw
13. Function Keypad
14. Numeric Keypad

Key Functions

Shortcut Keys Combination

Interface Explanation and Icon Description

1. Channel Setting
2. Battery Level
3. Current Channel Frequency
4. TX Signal Strength
5. Current Channel Number
6. Channel Zone
7. Enabled Features
8. Keypad Locked

Standby Interface: Displays channel settings, current frequency, signal strength (RSSI), and enabled features such as VOX, APRS, Monitor (MO), and Tri-Watch (TW). Also shows battery level and keypad lock status.

1. Repeater Mode Active
2. Repeater Speaker Off
3. Currently in Repeater Mode

Repeater Interface: Shows frequency, signal strength (RSSI), and repeater mode status, for example Repeater Speaker Off, Repeater Mode ON, or Repeater Mute Enabled.

Icon Description

• VOX: Voice-Activated Transmission. Transmission starts when microphone sound pressure reaches the set threshold.
• APRS: Automatic Packet Report System.
• MO: Monitor function enabled.
• TW: Tri-Watch active, simultaneously monitors 3 channels.
• Keypad Lock: Appears when the keypad is locked. Long press # to unlock.
• Frequency Band Selection: Band A / Band B / Band C.
• Signal Strength: Indicates received signal strength.
• GPS: GPS Switch & Indicator. Toggles GPS positioning with status icon.
• Repeater Mode ON.
• Repeater Mute Enabled: Speaker muted during repeater operation.
• Side Tone Enabled: Produces a tone sound when transmitting DTMF.
• Bluetooth: Enabled.
• Battery Status: Displays remaining battery power. Flashes when nearly depleted, prohibiting transmission.
• Power Save Icon: Energy-saving mode active.
• Standby Indicator: Device is in standby/monitoring mode.
• Analog/Digital Sub-audio Tone: Indicates analog or digital sub-audio tone.
• Power Levels (H/M/L): Indicate High/Medium/Low power.
• Narrowband/Wideband: Indicates narrowband or wideband mode.
• Frequency Offset (+/-): Indicates transmission frequency is reception frequency plus/minus offset.
• Frequency Invert: Inverts RX/TX frequencies.
• Simplex: Transceiver operates on identical transmit/receive frequencies.
• Encryption On: Encryption function activated.
• AM Modulation: Current frequency operating in AM demodulation.
• Scrambler: Activates voice encryption.

Basic Operations

Power/Volume Knob

Power On: Rotate clockwise until a "click". Power Off: Rotate counterclockwise until a "click". Rotate clockwise to increase volume; counterclockwise to decrease.

Menu Navigation

From the home screen, briefly press the [OK] key to enter the menu. Use Direction Keys to navigate. Press [OK] again to confirm. Press [ESC] to exit.

Primary/Secondary Frequency Toggle

On the standby screen, briefly press the [A/B] key to select the primary frequency, highlighted in blue. Non-highlighted frequencies are secondary.

Channel Mode / Frequency Mode Toggle

(!) On the standby screen, briefly press the [V/M] key to switch between frequency mode and channel mode. Note: Channel Mode is disabled if no valid channels are stored.

PTT Function

Press PTT A to transmit on Band A. Press PTT B to transmit on Band B. Assign Side Key 1 as PTT C to transmit on Band C, activating Tri-PTT Mode (simultaneous three-band monitoring).

Side Key Configuration

Configure via programming software. Supported functions: FM Radio, Monitor, Scan, Frequency Sweep, Emergency Alarm, Spectrum, Beacon Transmission, PTT C.

Repeater Setup

1. Activating Repeater Mode: Menu - Radio - AB RPT-Mode - ON. Standby screen displays repeater icon.
2. Repeater Requirements: Devices must operate on different frequency bands.
3. Repeater Direction Logic: Default: both frequencies receive. If primary receives first, secondary becomes transmitter. If secondary receives first, primary becomes transmitter.
4. Speaker Audio Control: Enable/disable local speaker audio during repeater operation.

Voice-Activated Transmission (VOX) Function

Operation: Menu - VOX. When enabled, the radio transmits if the microphone detects sufficient sound. Adjustable VOX sensitivity and delay time.

Sweep Function

Assign side key as "Sweep" or long-press [>] to enter sweep mode. Detects carrier frequency and CTCSS/DCS. Press [OK] to save scanned frequency to a channel list. Supported ranges: VHF: 136-174 MHz, UHF: 400-520 MHz.

Scan Function

Shortcut: Assign side key as Scan Key, or long-press [1] to initiate scanning. Configure: Menu - Radio - Scan Mode.

• Channel Mode: Scans channels in memory.
• Frequency Mode: Scans frequencies based on step setting.
• Time Mode: Resumes scanning after 5 seconds of no operation after carrier detection.
• Carrier Mode: Stops scanning on carrier detection, resumes 5 seconds after carrier disappears.
• Search Mode: Stops scanning immediately on carrier detection.

Emergency SOS Function

Assign side key as [Emergency Alarm] button. Operation: Menu - Radio - SOS Mode.

• Local Alarm: Device sounds an alarm tone locally.
• Transmit Alarm Tone: Broadcasts alarm tone via signal transmission.
• Transmit Alarm Code: Sends alarm code via signal transmission.

CTCSS/DCS Settings

Operation: Menu - CTCSS/DCS. Select desired DCS code or CTCSS frequency. Enables selective call reception by filtering unwanted noise.

PTT-ID Function

DTMF transmit identity S-CODE or PTT-ID. Call Codes: Menu - Signaling - S-CODE. Assign unique call codes. ID Code Setup: Menu - Signaling - PTT-ID.

Transmission Modes

• Send on Press: Call code/identity code sent first, then voice.
• Send on Release: Call code/identity code sent after PTT release, then transmission ends.
• Send Both: Call code/identity code sent on PTT press and release.

(!) Note: If conflict between identity and call code settings, identity code is sent.

FM Radio Function

Customize the side key as a radio shortcut, or long-press the [O] key to enter radio mode.

1. Short press [OK] to access the radio menu and select modulation mode. Set the radio frequency directly using the numeric keys.
2. In radio mode, press [V/M] to toggle between Frequency Mode (VFO) and Channel Mode (MR).
3. In Frequency Mode, short press the [#] key to activate auto-scan for stations.

Menu Function List

Charging, Maintenance, and Warranty

Charging Instructions

1. Dock Charging (Optional): Insert battery pack or radio with battery into charging dock. Ensure proper contact with charging terminals.
2. Type-C Charging: Connect charging cable to power adapter and plug into AC outlet. Insert cable into Type-C interface of the main unit's battery.
3. Indicator Light: Red indicates charging in progress; green indicates charging complete.

Cleaning and Maintenance

For optimal performance and lifespan, follow these guidelines.

Daily Maintenance

• Do not pierce or scratch with hard objects.
• Do not store in environments with chemical corrosive substances.
• Do not carry or use by pulling the earphone cable.
• Cover earphone jack with protective cap when not in use.

Cleaning Procedure

(!) Power off device and remove battery before cleaning.

1. Regularly use a dry, clean, lint-free cloth or soft brush to remove dust from the surface and charging terminals.
2. For dirty buttons or casing, use a neutral detergent and non-woven cloth. Avoid detergents, alcohol, sprays, or petroleum-based chemicals, as they may damage the casing.
3. Ensure the product is completely dry before use.

Warranty Terms

The warranty period starts from the date of sale, based on sales invoice. Main unit: 12 months; battery and charging accessories: 6 months. Paid repair services are required for:

• Failure to present warranty card and purchase invoice.
• Alterations or mismatch with product.
• Use under non-standard conditions.
• Misuse, accidents, water ingress, or negligence.
• Improper testing, operation, repair, installation, modification, or adjustment.
• Unauthorized repairs or disassembly.
• Force majeure.
• Normal wear and tear.

Product Warranty Card

This card serves as proof for warranty services. It must be stamped and filled out completely by an authorized dealer to be valid. Keep it safe.

• Sales Information: Dealer (Valid with Stamp), Contact Number, Address.
• Product Information: Product Model, Serial Number, Purchase Date.
• User Information: User Name, Contact Number, Address.

Model: Radtel RT 950.