Supported by ELDR
Charge Before First Use
Battery ships partially charged — fully charge before first use or after long storage.
Turn radio off while charging.
Power On / Off
Rotate the Power/Volume Knob clockwise to turn on and adjust volume.
Rotate counter-clockwise until click to power off.
Talk & Listen
Hold PTT (Push-to-Talk) to transmit.
Release to listen.
Channels & Settings
Use MENU and UP/DOWN keys to browse and adjust settings.
Always attach the antenna before use — risk of electric shock if operated without.
Do not use near explosive materials, while refueling, or at fuel stations.
Keep away from prolonged direct sunlight, extreme heat, excessive dust, or moisture.
Repairs should be done by authorized technicians.
If smoke or a burning smell occurs, turn off immediately, remove battery, and contact support.
26 programmable radio channels
CTCSS / CDCSS tone support
Two-tone signaling
Built-in FM radio tuner (87–108 MHz)
Emergency alarm broadcast
ANI & DTMF ID support
Two programmable quick-access keys
VOX hands-free mode with compatible headset
Optional English voice prompts
Radio-to-radio wired cloning capability
| Item | Qty |
|---|---|
| SR-3 Radio | 1 |
| Antenna | 1 |
| Li-ion Battery Pack 3.7V | 1 |
| Charger / Adapter | 1 |
| Belt Clip | 1 |
| Strap | 1 |
| User Manual | 1 |
Charge Time: until the LED on charger flashes green.
Battery Life: ~13 hrs (5% transmit / 5% receive / 90% standby).
Important: Don’t leave battery fully charged on the charger for long — it may shorten lifespan.
Install Battery
Slide top end first, click to lock.
To remove: power off, release clamp, and slide down.
Attach Antenna
Screw clockwise until snug (don’t over-tighten).
Belt Clip & Strap
Slide into the back slot until it clicks.
Headset Connection (optional)
Insert firmly into headset port (not for charging).
CT / DCS — Tone modes
VOX — Hands-free active
NAR — Narrow band enabled
LOW — Low transmit power
SCN — Scan active
Battery level, channel number/name, keypad lock status
PTT: Hold to talk, release to listen
Menu Navigation:
MENU → access & confirm
UP/DOWN → navigate
V/M | EXIT → back/exit
Programmable Keys: Can be set for flashlight, scan, quick call, etc. (contact your dealer for setup)
Beep Prompt: Turn button sounds ON/OFF
Squelch (SQL): Adjust noise filtering (recommend level 3–5)
VOX Sensitivity: 1 (high) – 10 (low)
Keypad Lock: Manual or auto after 5/10/20/30 sec
Channel Scan: Auto-scan saved channels
Flashlight: Usually Side Key 1 toggle
Radio Cloning: Connect with clone cable, follow on-screen prompts
Avoid using antenna as a handle — can damage performance.
If the radio won’t hold charge well, battery may need replacing.
Check that VOX is turned off if audio is accidentally transmitting.
For troubleshooting, replacement parts, or service, contact ELDR support.
Supported by ELDR — delivering reliable communication solutions.