Key facts
- Brand
- Motorola
- Model
- GP3688
- Category
- Communications equipment
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-04-10
Start here
Motorola GP3688 Portable Radio User Manual
This manual covers safety and RF radiation guidelines, battery installation, charging methods, and accessory information for the GP3688 portable radio. It also explains the basic functions of the device, such as turning the radio on/off, adjusting volume, selecting channels, and using the PTT button.
Detailed sections describe scanning operations (system and automatic scans), how to delete and restore stray channels, programmable button functions, VOX (voice‑activated transmission) usage, and power level settings. The guide includes troubleshooting tips and reference tables for quick operation. This manual is written in Chinese.
Motorola GP3688 specifications
| Frequency (VHF) | 136‑162, 150‑174 MHz |
|---|---|
| Number of Channels | 16 channels |
| Power Supply | 7.5 V ±20 % |
| Low‑Power Talk Time | Up to 19 hours |
| High‑Power Talk Time | Up to 14 hours |
| Weight (High‑Capacity Li‑ion Battery) | 376 g |
| Weight (Standard Ni‑MH Battery) | 437 g |
| Durability Standard | MIL‑STD‑810C/D/E/F, IP54 |
All Motorola GP3688 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 do I turn the radio on and off?
Rotate the on/off/volume knob until you hear a self‑test tone and see the green LED indicator.
How can I adjust the volume?
Turn the on/off/volume knob clockwise to increase volume, or turn it counter‑clockwise to decrease volume.
How long can the GP3688 operate in low‑power mode?
In low‑power mode the radio provides up to 19 hours of talk time.
What durability standards does the GP3688 meet?
The GP3688 complies with US military MIL‑STD‑810C, D, E and F and passes IP54 rain and dust tests.