Key facts
- Brand
- Holux
- Model
- M-241
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 3
- Languages
- EN · ZH
- Last added
- 2012-04-11
Start here
Holux M-241 Quick Guide
The guide introduces the Holux M-241 wireless GPS logger, listing its main components such as the LCD screen, menu and enter buttons, power switch, battery cover, USB port, and optional Bluetooth module. It explains the six operational modes—Track Log, Time, Show Position, Show Speed & Altitude, Measure Distance, and Setting—along with how to navigate the menu and lock/unlock the keys.
Instructions are provided for connecting the device to a PC via the supplied USB cable, installing the CP210x USB‑to‑UART driver, and using the HoluxUtility software to download logged data. Safety notes cover battery replacement, antenna positioning, moisture protection, and proper shutdown procedures.
HOLUX M-241 specifications
| Memory Capacity | 130,000 positions |
|---|---|
| GPS Receiver Sensitivity | -159 dBm |
| Display Resolution | 128 x 32 pixels |
| Dimensions | 32.1mm X 30mm X 74.5mm |
| Weight (without battery) | < 39g |
| Operating Temperature | 0 ℃ to + 50 ℃ |
All HOLUX M-241 documents by type
The shortest path to a working setup, usually only a few pages.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the re-acquisition time for the M-241?
The re-acquisition time is less than 0.1 seconds on average.
Does the M-241 support DGPS?
Yes, it has a built-in WAAS/EGNOS demodulator and supports DGPS.
How long does the battery last?
The device runs for up to 12 hours on a single AA alkaline battery.
What should I do if the GPS signal is weak or lost?
Perform a Cold Start or Warm Start, or remove the battery for about 120 seconds and re‑insert it to reset the receiver.