Transcript
Operation of EF Johnson VHF-FM Radio
Kentucky Wing Civil Air Patrol VERSION 2.1
Overview • • • • • • •
Radio Specifications Radio Features Display Features Connecting the Microphone Connecting the Radio To Transfer the Radio To Turn in the Radio for Maintenance
Radio Specifications • Very High Frequency / Frequency Modulation (VHF/FM) • Designed for Mobile or Fixed Station Use • 50 Watt / 10 Watt Selectable Power Level • 256 Programmable Channels – 16 Zones of 16 channels each
• 136 – 174 MHz Frequency Coverage
Radio Features
Display Features
• The value that can be changed by the selection knob is indicated by a bar over its number (see Channel and Zone values above). • To change which value is affected by the selection knob, press the selection knob.
Option Button 1 - Backlight
• There are three backlight modes for the EF Johnson radio: Off, Dim, and Bright. • Use the Backlight Button to switch through these three modes.
Option Button 2 – TX Power
• Press to Toggle Transmit Power between 10 and 50 Watts • The display will briefly reflect this change by displaying “HIGH POWER” or “LOW POWER”
Option Button 3 – Home Zone
• Press to return to the “Home Zone” CAP Zone 1 – Then adjust channel knob to desired channel.
Option Button 4 - Scan
• Press to activate Scan function. – Press once to activate Scan List 1. Press again to activate Scan List 2. If applicable, press again to activate Scan List 3. Press again to resume normal operation. – During Scan Operation, an animated clock icon will appear between the zone and the channel number display.
Clock Display
• The clock icon is indicated in red.
Scan List 1 • Scan List 1 – Scan List 1 consists of the four primary CAP VHF/FM frequencies
Scan List 2 • Scan List 2 – Scan List 2 consists of interoperability frequencies between CAP and organizations such as Texas DPS, Fire Service, and Medical Service. – These stations require an interoperability agreement between CAP and the outside agency.
Scan List 3 • Scan List 3 contains marine (water) frequencies for use between CAP and water vehicles (Coast Guard)
Option Button 5 - Monitor
• Press and hold for 2 seconds to engage Monitor Function. – When using the Monitor Function, Automatic Squelch is turned off.
Option Button 6 - Program
• Press to initiate Front Panel Program feature. A password is required to access the Front Panel Program.
Connecting the Radio
• The back of the EF-Johnson VHF-FM Radio
Connecting the Microphone • Inserting Microphone – To insert microphone, line up the notches in the microphone plug to the connector on the radio and insert.
• Removing Microphone – To remove microphone, pull back on the collar around the front of the plug, then remove the plug from the connector on the radio.
Connecting the Antenna • A. RF Connector and Coaxial Cable supplied with radio • B. Adapter – Must remain attached to A, with radio
• C. Coaxial Cable to Antenna – Type UHF / PL-259
Connecting the Power Supply • D. Accessory Connector – Do not disconnect
• E. Black Molex connectors – Supplied with Radio – Do not disconnect
• F. White Molex connector – Attached to a power source of 12 V, 10 A
Transferring Radio • When transferring the Radio, make sure to include: – All adapters – All power cables except cables permanently installed in vehicles – Microphone – Instruction Book – Any items originally issued with radio
Turning in Radio for Maintenance • When turning in the Radio for maintenance, make sure to include: – A. Adaptor connected to RF connector and Coaxial cable – B. Power cord and accessory connector as shown – Microphone
Review • • • • • • •
Radio Specifications Radio Features Display Features Connecting the Microphone Connecting the Radio Transferring the Radio Turning in the Radio for Maintenance
Questions
• Are there any questions about the EF Johnson Radio?
