User's Manual
Table Of Contents
- ASTRO XTS 2500 Digital Portable Radio Model I User Guide
- Product Safety and RF Exposure Compliance
- Computer Software Copyrights
- Documentation Copyrights
- Disclaimer
- Contents
- General Radio Operation
- Notations Used in This Manual
- XTS 2500 Model I Radio
- Physical Features of the XTS 2500 Model I Radio
- Programmable Features
- LED Indicators
- Alert Tones
- Standard Accessories
- Universal Connector Cover
- Remote Speaker Microphone Adapter
- Radio On and Off
- Zones and Channels
- Receive / Transmit
- Conventional Mode Operation
- Common Radio Features
- Special Radio Features
- Helpful Tips
- Accessories
- Appendix: Maritime Radio Use in the VHF Frequency Range
- Glossary
- Commercial Warranty
- Index
50
Appendix: Maritime Radio Use in the VHF Frequency Range
Non-Commercial Call Channel
For non-commercial transmissions, such as fishing reports,
rendezvous arrangements, repair scheduling, or berthing
information, use VHF Channel 9.
Operating Frequency Requirements
A radio designated for shipboard use must comply with Federal
Communications Commission Rule Part 80 as follows:
• on ships subject to Part II of Title III of the Communications Act,
the radio must be capable of operating on the 156.800 MHz
frequency
• on ships subject to the Safety Convention, the radio must be
capable of operating:
• in the simplex mode on the ship station transmitting
frequencies specified in the 156.025–157.425 MHz frequency
band, and
• in the semiduplex mode on the two frequency channels
specified in the table below.
Note: Simplex channels 3, 21, 23, 61, 64, 81, 82, and 83 cannot be
lawfully used by the general public in US waters.
Additional information about operating requirements in the Maritime
Services can be obtained from the full text of FCC Rule Part 80 and
from the US Coast Guard.
Table A-1: VHF Marine Channel List
Channel
Number
Frequency (MHz)
Transmit Receive
1 156.050 160.650
2 156.100 160.700
* 156.150 160.750
4 156.200 160.800
5 156.250 160.850
6 156.300 –
7 156.350 160.950