Introduction
Getting Acquainted
12
www.javad.com
1.6. Literature
HPT204BT literature, including manuals and other product information are available on the JAVAD
GNSS website (http://www.javad.com):
• HPT204BT Operator’s Manual
• Functional specifications
1.7. External Antenna (not included)
Antenna type depends on the site requirements, and may be directional or omni-directional.
Warning:
Do not use HPT204BT without antenna to avoid serious damage of your device!
1.8. Storage Precautions
1. Always clean the instrument after use. Wipe off dust with a cleaning brush, then wipe off dirt with
a soft cloth.
2. Store in a location with a temperature of -40°... +85°C, and no exposure to direct sunlight.
3. Use a clean cloth, moistened with a neutral detergent or water, to clean the modem. Never use an
abrasive cleaner, ether, thinner benzene, or other solvents.
Always make sure the instrument is completely dry before storing. Dry the modem with a soft, clean
cloth.
