This manual introduces how to choose channels, CTCSS codes and use the radio.
The Uniden GMR645-2CK is a lightweight, palm-sized General Mobile Radio Service (GMRS) device designed for communication at sporting events, hiking, skiing, or neighborhood watch duties. It features 22 channels, 38 CTCSS codes, and an internal Voice Operated Transmitter (VOX). The unit supports both rechargeable NiMH battery packs and AAA alkaline batteries.
| Channels | 22 channels |
|---|---|
| CTCSS Codes | 38 CTCSS codes |
| Range (Channels 1-7) | Up to 6 miles |
| Range (Channels 8-14) | Up to 2 miles |
| Range (Channels 15-22) | Up to 6 miles |
| Battery Options | NiMH battery pack or 4 AAA alkaline batteries |
Press the ch/scan key and press the L or M key to increase or decrease the channel number displayed.
Speak into the remote headset microphone instead of pushing the PTT button to initiate transmission.
Press and hold the ch/scan key until the scan icon is displayed.
You must charge the NiMH battery pack for 16 hours before removing it from the cradle.