User's Manual

Page 2
SVR-250 Service Manual
Foreword
Scope of this manual
This manual contains the specifications, functional description, operating instructions, schematic, parts
locator and parts list for the SVR-250 synthesized vehicular repeater.
This manual is intended for use by qualified service technicians to aid them with installation, interfacing,
alignment and trouble shooting of the SVR-250 when used with other land mobile radios.
Service manual revisions
Component changes, additions and deletions may occur in the circuit design to improve operation and will
be reflected in future releases of this service manual. Specifications and circuit changes are subject to change
without prior notice or obligation by Pyramid Communications.
Safety Information
The SVR-250 is designed to operate within all applicable Federal regulations at the time of manufacture. Proper
operation and service procedures will assure continued compliance with these regulations:
• Do not operate the SVR-250 without an antenna or appropriate RF load connected to the antenna connector.
• Do not operate the SVR-250 in the presence of unshielded electrical blasting caps or explosive environmental
conditions.
• Do not operate the SVR-250 while refueling the vehicle or in the presence of explosive fumes.
• Do not operate the SVR-250 with persons standing closer than 2 feet from the mobile or repeater antenna.
FCC information
The SVR-250 complies with the FCC rules parts 90 and 22 for radio frequency transmitters. The user must apply
for a license to operate the SVR-250 transmitter pursuant to parts 90.243 and 90.247. Other FCC rules may apply
depending on the class of service the user qualifies for. A complete listing of FCC rules and regulations may be
ordered from:
Superintendent of Documents
Government printing office
Washington DC 20402
The following information pertaining to the SVR-250 should be included in the FCC license application:
VHF UHF 700/800/900 MHz
Type Acceptance: LRUSVR-200VB LRUSVR-200U LRUSVR-200M
Output Power: 0.25-2.0W 0.25-2.0W 100mW-600mW
Emission designator:
11K0F3E/16K0F3E 11K0F3E/16K0F3E 11K0F3E/16K0F3E
Frequency band: 150-174 MHz 400-512MHz 764-806(700M), 806-824 or 850-870(800M)
897-902 or 936-941 (900M)
Number of Channels: 20 20 20