Eton E1 E1 Operations Instructions download pdf (Page 27)

AC Input - Alternating Current power source available

at wall outlet sockets.

AM - Signals in which the information is conveyed by

amplitude changes of the signal. Amplitude

Modulation is used for the AM broadcast bands.

AGC - Automatic Gain Control which is employed in

receivers to adjust the amount of gain in the receiver's

circuitry to prevent distortion and maintain a nearly

constant audio volume level over wide variations in

received signal strength.

CW - Continuous Wave transmission signals.Actually,

the signal is keyed on and off at precise intervals to

convey information. Morse code is the most common

CW signal.

DC Input - Direct Current power source such as is

available from batteries or regulated power supplies.

DX - Refers to stations which are unusually distant

from the receiver and are therefore frequently difficult

to receive. In the context of this manual, DX refers to a

built in preamplifier, which, when enabled, makes

these “DX”stations more readable.

Dynamic Range - Ability of the receiver to faithfully

reproduce high quality audio over a wide range of sig-

nal strength conditions - from very weak signals to

very strong signals.

Frequency - Rate of reoccurrence in hertz or cycles

per second of electromagnetic wave or carrier.

FM - Signals in which the information is conveyed by

frequency changes of the signal. Frequency Modulation

is used for the FM broadcast bands.

Electronically Switched Filter - A multi bandwidth

filter with high adjacent channel attenuationswitched

electronically.

GMT - Greenwich Mean Time.

HF - High Frequency band. This consists of the LW,

MW, and SW bands on the E1 receiver.

LCD - Liquid-Crystal Display - Low power consumption

displays used for wristwatches and information dis-

plays on many types of electronic equipment.

LSB - Lower Side Band - The lower frequency portion,

excluding the carrier, of an AM signal. A single-side-

band signal, in this case the lower sideband, contains

all of the modulation information of amplitude modu-

lation in one half the bandwidth.

RF - Radio frequency

RTTY - Radio Teletype communications.

Softkeys - Keys surrounding the display that have dif-

ferent functions under different conditions. The current

function of each individual softkey is shown on the dis-

play.

Squelch - A user controlled adjustment which mutes

the audio output below a certain signal strength.

Synchronous Detector - An amplitude modulation

detector which utilizes a replica of the original trans-

mitted carrier signal to improve the reception of weak

signals.

Synthesized - Capable of generating a large number

of different output frequencies, all related to a single,

highly stable reference source.

USB - Upper Side Band - The higher frequency portion,

excluding the carrier of an AM signal. A single side-

band signal, in this case the upper sideband, contains

all of the modulation information of amplitude modu-

lation in one half the bandwidth.

UTC - Universal Time Coordinated.

VFO - Variable Frequency Oscillator.

VHF - Very High Frequency band extends from approxi-

mately 30 MHz to 300 MHz.

50 51

ANUAL

GLOSSARY OF TERMS

QUICK REFERENCE GUIDE continued

Delete all MEMORY and COUNTRY Channels (page 57)

• Press ‘MEMORY’ or ‘COUNTRY.

• Turn off with ‘POWER’ key.

• Press & hold ‘POWER’ key & press ‘DELETE’ for 2

seconds.

• When warning appears, release ‘DELETE’ & press it

again for 2 seconds.

• This will clear all memory locations.

Mark Channels for T.Scan (page 51)

• Select either MEMORY or COUNTRY.

• Select the MEMORY or COUNTRY channel to be

marked using

• TUNING knob or the < SELECT > key.

• Press the ‘TAG’ key to mark the channel.

T.SCAN MODE - The scan feature only works with chan-

nels programmed with a ‘T’ as described above. T.SCAN

FUNCTION (page 51)

• Select MEMORY or COUNTRY mode.

• Set SQUELCH to desired level.

• Press T.SCAN to begin scan.

• Press T.SCAN again to stop scan.

SIDE PANEL CONTROLS

HF Antenna Select (page 20)

• Set ANTENNA - HF Internal/External switch as appro-

priate for antennas available.

FM Antenna Select (page 20)

• Set ANTENNA - FM Internal/External switch as appro-

priate for antenna available.

E1_manual_eng_APR06.qrk 5/5/06 10:22 AM Page 52

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Eton E1 E1 Operations Instructions Page 27

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