Key facts
- Brand
- ECO
- Model
- GMR648-2CK
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-05
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Uniden GMR648-2CK Radio User Manual
This document is the user reference guide for the Uniden GMR648-2CK, a lightweight palm-sized radio designed for GMRS and FRS frequencies. It includes instructions for installing batteries, using the charging cradle, and operating the device in various modes. The guide details how to navigate the menu system to select channels, CTCSS codes, call tones, and adjust settings such as volume and VOX sensitivity. It also explains features like channel scanning, keypad locking, and the automatic power save function.
Read onlineECO GMR648-2CK specifications
| Channels | 15 GMRS / 7 FRS Channels |
|---|---|
| CTCSS Codes | 38 CTCSS Codes |
| Range (GMRS) | Up to 6 Mile Range |
| Battery Type | NiMH battery pack or 4 AAA alkaline batteries |
| Charging Time | 16 hours |
All ECO GMR648-2CK documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How long does it take to charge the battery?
The battery pack should be charged for 16 hours using the charging cradle.
How do I turn on the channel scan feature?
Press and hold the ch/scan key until the scan icon is displayed on the LCD.
How do I choose a channel?
Press the ch/scan key and press the L or M key to increase or decrease the channel number displayed.
From: eco GMR648-2CK Manual
How do I use the VOX feature?
Speak into the remote headset microphone instead of pushing the PTT button to initiate transmission.
From: eco GMR648-2CK Manual