Kenwood TR 2600A Manual

The Kenwood TR 2600A is a 2-meter amateur radio transceiver featuring 25W output power, 20 memory channels, CTCSS encode/decode, wide frequency coverage (140-150 MHz), dual VFOs, auto repeater offset, built-in power supply, and compact design. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main unit with built-in power supply, microphone, mounting bracket, DC cable.

Feature	Description
Frequency Range	140-150 MHz (2-meter band)
Output Power	25W (High), 10W (Low)
Memory Channels	20 channels with alphanumeric naming
Dual VFOs	Independent A/B VFO operation
CTCSS	Encode/decode with 38 tones
Auto Repeater Offset	Automatic ±600 kHz shift
Power Supply	Built-in 13.8V DC
Antenna Connector	SO-239 type
Microphone Jack	8-pin Kenwood standard
Size/Weight	Compact design, approximately 2.2 kg

Installation

Unpack and inspect contents. Choose suitable mounting location.

1. Mount unit: Use provided bracket for mobile or desktop installation.
2. Connect antenna: Attach to SO-239 connector using proper coaxial cable.
3. Connect microphone: Plug into 8-pin microphone jack.
4. Connect power: Use DC cable to 13.8V source (vehicle or power supply).
5. Ground connection: Ensure proper grounding for safety and performance.

WARNING! Ensure proper fuse rating. Do not operate without antenna connected.

First-Time Setup

Power on unit; initialize settings.

1. Set frequency: Use VFO knob to select operating frequency.
2. Adjust squelch: Turn SQL knob until background noise disappears.
3. Set power level: Select HIGH (25W) or LOW (10W) as needed.
4. Program offset: Use OFSET button for repeater access (±600 kHz).
5. Store memories: Program frequently used frequencies into memory channels.

CAUTION! Verify frequency authorization for your license class.

Specifications

• Frequency Coverage: 140-150 MHz
• Mode: FM
• Output Power: 25W (High), 10W (Low)
• Memory Channels: 20
• Sensitivity: Better than 0.16 μV for 12 dB SINAD
• Selectivity: ±7 kHz at -6 dB
• Audio Output: 2W at 8 ohms
• Power Requirement: 13.8V DC ±15%
• Current Drain: Receive: 0.5A (max audio), Transmit: 6A
• Dimensions: 140(W) × 45(H) × 170(D) mm

Controls and Settings

Front Panel: POWER, VOLUME, SQL, VFO knob, FUNCTION button, MHZ/STEP, OFSET, TONE, LOW, CALL, VFO/MR, A/B, DUAL, LOCK.

Microphone: PTT, UP/DOWN buttons, function controls.

Basic Operations: Frequency selection with VFO knob, volume/squelch adjustment, power level selection, repeater offset activation, CTCSS tone selection, memory channel selection, dual watch function, key lock feature.

Connecting Accessories

External Speaker: Use SP jack for external audio. Data: Optional data interface for packet. Power: 13.8V DC input with fuse protection.

1. Turn off unit before connecting accessories.
2. Use proper cables and connectors.
3. Verify polarity for DC power connection.
4. Test all connections before operation.

Tip: Use high-quality coaxial cable for antenna connection.

Memory Operations

Store and recall up to 20 frequencies with alphanumeric names.

1. Store memory: Select frequency, press F then MR to store.
2. Recall memory: Press MR, select channel with VFO knob.
3. Memory name: Use F + NAME to program alphanumeric names.
4. Memory clear: F + VFO/MR to clear selected memory.
5. Memory scan: Monitor all programmed memory channels.
6. Priority memory: Set one channel as priority watch.

WARNING! Memory contents may be lost if power is disconnected.

CTCSS Functions

CTCSS encode/decode with 38 standard tones.

1. Activate CTCSS: Press TONE button to enable encode/decode.
2. Select tone: Use VFO knob to choose from 38 available tones.
3. Tone scan: Automatically detect CTCSS tones in use.
4. Tone lock: Prevent accidental tone changes.

Note: CTCSS required for some repeater access.

Care & Maintenance

Keep unit clean and dry. Use soft cloth for cleaning. Avoid harsh chemicals.

CAUTION! Do not immerse in water. Keep away from extreme temperatures.

Regulatory Information

FCC Part 97: Certified for amateur radio service. This device complies with Part 15 of FCC rules. Operation subject to condition that device does not cause harmful interference. For technical support, contact Kenwood authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection/fuse	Check DC cable connection; verify fuse integrity.
No transmission	PTT/microphone	Check microphone connection; verify PTT operation.
Poor reception	Antenna/SQL setting	Verify antenna connection; adjust squelch setting.
Memory loss	Power interruption	Re-program memory channels; check power continuity.
No CTCSS access	Tone settings	Verify correct CTCSS tone; enable encode function.

Reset: Disconnect power for 30 seconds to reset.

Service: Contact authorized Kenwood service center.