User's Manual

Introduction
Getting Acquainted
Literature
14
1.1.6. Literature
HPT135 literature, including manuals and other product information are available on the JAVAD
GNSS website (http://www.javad.com):
• HPT135 Operator’s Manual
• Functional specifications
1.1.7. External Antenna (not included)
Antenna type depends on the site requirements, and may be directional or omni-directional.
1.1.8. 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.