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Introduction

The Aceco FC3001 is the latest advance in hand-held radio frequency finder. It excels at finding frequencies for secure monitoring applications. It automatically and instantly tunes ICOM CI-V or AOR receivers to the frequency it finds. It is compact, truly pocket sized and is designed for ease of use and reliable performance. It comes complete with internal NiCd pack, AC wall charger, 7 section telescopic antenna and interface cable.

Specifications

Frequency range

10 MHz - 3 GHz

Weight

210 g

Size

80 mm high x 68 mm wide x 31 mm deep

Impedance

50 Ohms (BNC Socket)

Case

Stamped aluminum with black anodized finish

Battery

Internal 4 x AA 600 mAH NiCd pack

Power

9 VDC 300 mA

Timebase

Less than 1 PPM at room temperature

Features

  • 7 digit Liquid Crystal Display
  • Low power consumption (Average 6 hour battery life)
  • Supplied with NiCd pack, AC wall charger, telescopic antenna and interface cable
  • Measures frequency and period
  • Automatically holds and tunes ICOM CI-V or AOR receivers
  • Filter prevents display of random noise
  • Hold switch to lock display
  • Low battery indicator
  • Ultra sensitive synchronous detector 16 section bargraph to show RF signal strength
  • High speed counter with 1 KHz resolution

Controls

  1. Power Switch. Slide the switch to turn the RF finder on which also initiates a 2 second test of all the LCD segments.
  2. Com Switch. Slide the switch to select either the ICOM CI-V receivers or the AOR receivers.
  3. Filter Switch. Slide the switch to turn the filter on and off.
  4. Hold Button. This holds the current display and stops the RF finder from counting.
  5. Function Button. This selects the frequency or period. This button has four settings. One each for displaying frequency or period as these are received, and two settings for automatic hold and tune of the first frequency or period found.
  6. Calibration. The calibration adjustment opening is located on the front panel of the RF finder. This allows access to the trimmer capacitor that provides about a 10 PPM adjustment range of the time base oscillator. This is not usually necessary but to do so read a signal of an known frequency before adjusting the trimmer for correct frequency display. If you calibrate at 4.1943 MHz or above then the RF finder will be more accurate.

Warranty

Aceco Electronics, Corp. guarantees the RF finder and its accessories for one year against defects in manufacture. This warranty does not cover items that have been modified, subject to unauthorized repairs, misuse or abuse. This warranty does not cover damage caused by excessive power levels applied to the signal input. Never make any kind of connection between the RF finder and a transmitter.

Hints And Tips

  1. NiCd Operation
    This RF finder can operate for up to six hours from its fully charged NiCd batteries. They are charged when the unit is plugged into the supplied AC/DC adapter.Full recharge will occur over 12 to 16 hours. Before recharging the batteries you should be deep cycled occasionally by allowing them to completely discharge to maintain maximum battery capacity. The NiCd batteries should last for several years. However, it is a good idea to check them every twelve months for signs of corrosion or leakage. Always replace the whole set if any one cell fails.
     
  2. Signal Input
    When using the RF finder with an antenna for signal pick up, random frequencies may appear on the display.This is quite normal and is caused by the high gain of the receiver circuits which amplify noise in the absence of a strong readable signal. Never get the unit too close to a transmitter as internal damage will result.
     
  3. ntenna Selection
    The supplied telescopic antenna is best for general purpose use. This is because its length can be adjusted to suit the frequency required. Usually you will want a shorter antenna for UHF and a fully extended one for VHF / HF.
     
  4. Reception Distance From Transmitter
    The distance from which you will be able to receive frequencies will depend upon the type and location of the transmitting antenna, transmitter output power and the frequency in use.
    Some typical distances are:

Cordless Phone

0.6 meters

Cellular Phone

6 - 20 m

CB radio

6 - 8 m

VHF Two Way Radio

6 - 30 m

UHF Two Way Radio

6 - 30 m

Input Sensitivity ( Typical )

 

Amplifier

50 Ohm

Impedance

50 Ohm VSWR less than 2:1

Range

10 MHz - 3 GHz

Sensitivity

less than 2 mV at 100 MHz - 1.2 GHz

Max. input

15 dBm

RF Signal Strength Bargraph

 

Frequency

1st Segment

Full Scale

27 MHz

7 mV

100 mV

150 MHz

5 mV

90 mV

800 MHz

10 mV

200 mV


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Copyright (C) 2005 ACECO Electronics, Corp. All Rights Reserved.

 

 

 

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