User's Manual
Table Of Contents
- SYMBOLS USED IN THIS MANUAL
- REGULATORY INFORMATION
- CHECKING ITEMS IN THE PACKAGE
- RADIO OVERVIEW
- BEFORE USING THE RADIO
- RADIO STATUS INDICATORS- OPERATIONAL MODE AND STATUS ICONS THE DISPLAY
- LED INDICATOR
- TURNING THE RADIO ON AND OFF
- ADJUSTING THE VOLUME
- SELECTING A ZONE
- SELECTING A CHANNEL
- SWITCHING THE CHANNEL MODE BETWEEN ANALOG AND DIGITAL
- LOCKING AND UNLOCKING THE KEYPAD
- HOME SCREEN
- PRIVATE CALLS
- GROUP CALLS
- ALL CALLS
- TALK-AROUND (DIRECT MODE)
- CALLS ON ANALOG CHANNELS
- BATTERY STRENGTH INDICATOR
 
- MENU NAVIGATION
- SCANNING CHANNELS
- EMERGENCY COMMUNICATIONS
- HDC1200 SIGNALING
- SECURE COMMUNICATIONS
- MISCELLANEOUS FEATURES
- TROUBLESHOOTING AND TECHNICAL ASSISTANCE
- CARE AND CLEANING
- MODEL NUMBERS
- WARRANTY REGISTRATION AND WARRANTY
REGULATORY INFORMATION 
2 
PRODUCT SAFETY BOOKLET 
Before operating the HDP150 portable radio, read the safety and RF exposure guidelines 
contained in Product Safety Booklet included with the radio. 
RF EXPOSURE GUIDELINES 
The  HDP150 portable radio generates RF  electromagnetic energy during transmit mode. 
This radio is designed for and classified as “Occupational Use Only,” meaning it must be 
used only during the course of employment by individuals aware of the hazards and the 
ways to minimize 
such hazards. This radio is NOT intended for use by the “General 
Population” in an uncontrolled environment. 
The HDP150 radio has been tested and complies with the Federal Communications Commission (FCC) RF 
exposure limits for “Occupational Use Only.” In addition, this radio complies with the following Standards and 
Guidelines with regard to RF energy and electromagnetic energy levels and evaluation of such levels for 
exposure to humans: 
•  FCC Office of Engineering and Technology (OET) Bulletin 65 Edition 97-01 Supplement C, Evaluating 
Compliance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields. 
•  American National Standards Institute (C95.1 – 1992), IEEE Standard for Safety Levels with Respect to 
Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. 
•  American National Standards Institute (C95.3 – 1992), IEEE Recommended Practice for the Measurement 
of Potentially Hazardous Electromagnetic Fields – RF and Microwave. 
WARNING
WARNING










