TM 55-1930-209-14&P-12
The following data for the Horizon USA may be helpful when filling out the license application:
Type Accepted - Yes (FCC Part 83)
Output Power - 25 Watts (Hi); 1 watt (Lo)
Emission - 16F3
Frequency Range - 156.25 - 162.55 MHz
Type Number - T0479
CONTROLS AND CONNECTIONS
Before operating the transceiver, the user should become familiar with all the controls and connections. These are all
marked and easily located on the radio. For a description of each, refer to the following list.
1.
Channel Selector Switch - Selects the desired operation channel.
2.
Hi/Lo Power Switch - Selects the desired transmitter output power (25 watts in "HI" position, 1 watt in "LO"
position.)
3.
Off/Volume Control - Applies power to the unit and adjusts audio output level.
4.
Squelch Control - Proper adjustment of this control eliminates the objectionable background noise heard in the
speaker.
5.
TX Indicator - Illuminates when the radio is in the transmit mode.
6.
LED Channel Indicator Display - Indicates by digital display the number of the selected channel. In addition, the
"W" indicator illuminates when a weather channel is selected, and the "A" indicator illuminates when a channel
with an "A" suffix is selected.
7.
Microphone - Hard-wired to the radio, the microphone contains a push-to-talk switch which, when depressed, puts
the radio in the transmit mode. Releasing the PTT switch puts the radio in the receive mode.
8.
Internal Speaker - The internal speaker is located on the front left side of the radio.
9.
External Speaker Jack - Allows for connection of an external speaker, if desired.
10.
Antenna Receptacle - Allows for connection of the antenna.
11.
DC Power Cord - Cord assembly includes a fuse (10 ampere) and allows for connection of the radio to the
specified power source.
12.
Mounting Bracket -Allows for mechanical installation of the transceiver.
OPERATION
Operation of the transceiver is as follows.
1.
Rotate the on/volume control clockwise to mid-position on the dial.
3
