Albrecht AE 497 W Bedienungsanleitung

User Manual

AE 497 W (25-30 W-Version)

10-Meter Amateur Radio Base Station

Legal notes and general information

This amateur radio base station complies to the minimum requirements of the EU directives 2004/108/EG (EMC),

full fills the harmonized EU standards EN 301 783-2 (commercial available amateur radio products , EN 301 489-1

und-15 (EMC) und EN 60950-1:2006 (safety and LVD -directive 73/23/EWG) nad is marked with the CE logo.

Following conditions apply:

In all European countries this transceiver is subject to national amateur radio regulations. It may be used

only by persons, who have obtained a valid amateur radio licence.

Radio amateurs are only allowed to use this radio on assigned amateur radio frequencies within the 10 m

band, even if this radio should be able to switch other adjacent frequencies. National regulations may

exist for environmental RF protection and must be applied by the operator.

It is not allowed to use this radio for any other purpose except amateur radio.

If this radio shall be used in a configuration with other accessory items or amplifiers, the radio amateur is

responsible to keep the radiations within the legal limits of his licence class, especially he has to follow the rules

and standards of the above mentioned EU directive and technical standards, especially EN 301 783-2. It may be

necessary to add separate harmonics filters when combining to amplifiers or SWR meters or antenna switching

devices.

This radio is not declared to be used in cars during motion, because we cannot declare that there is no possible

influence on the electronic engine management. Please respect the automotive directive requirements, which

request that such devices are not allowed to be connected to the car network as long as the car engine is running.

These restrictions are only valid for passenger cars and trucks and do not apply to parking recreation vehicles,

boats or other environments with 12 V power supply.

ALAN ELECTRONICS GMBH

The text of the English manual corresponds to international versions and is not in all parts equal to the German

language user manual.

SPECIFICATIONS

GENERAL

Frequency Range …………………………………………………...28.000 to 29.699MHz

Frequency Control ………………………………….Phase Lock Loop (PLL) synthesizer

Frequency Stability………………………………………………………………… ± 300HZ

Frequency Tolerance ………………………………………………………………0.0003%

Emission Mode…………………………………………… A3E(AM), F3E(FM), J3E(SSB)

Microphone ………………Electret type 6 pin plug, with PTT, up/down and coiled cord

Input Voltage …………………………………13.8V DC nominal, 15,9V max. 12.0V min

230V AC

Size (WDH)………………………………………………………………300 x 240 x 85mm

Weight …………………………………………………………………………………..3,4Kg

Antenna Connector…………………………………………. SO-239 50 ohm unbalanced

Speaker……………………………………………………………………….8 ohm, 3 watts

TRANSMITTER

Power Output ……………………AM max. 7-8W, FM 25W-30 W, SSB 25W-30W PEP

Spurious Emission …………………………………..……………….-36 dBm or – 60 dBc

Current Drain No Modulation ……………………………………….FM/AM less than 4 A

SSB …………………………………………………..…without modulation less than 1.0A

Current Drain SSB with Modulation………………………………….SSB less than 4 A

Modulation Frequency Response

(1 KHz, 0dB Reference)……………………….....Lower, at 450Hz, AM -6dB, SSB -6dB

Upper, at 2.5KHz, AM -6dB, SSB -6dB

Microphone Sensitivity …………………………………………..AM 2.mV for 60% mod

FM 1.8mV for 1.5 kHz deviation

Microphone Amplifier ………………….AM 50dB (between 89% and 80% modulation)

SSB 50dB (between 25 W PEP and 10W PEP)

RECEIVER

Max Sensitivity for 6dB S/N………………………………… AM 0.5uV, FM/SSB 0.25uV

Sensitivity for 10dB S/N ……………………………………..AM 0.5uV, FM/SSB 0.25uV

Overload Audio Fidelity at 6dB Down ………………………………….450Hz ~ 2000 Hz

Adjacent Channel Selectivity …………………..………………FM/AM 60dB, SSB 70dB

Image Rejection (5.6MHz) ……………………………………Typically better than 90 dB

IF Rejection …………………………………………………………………..70dB or better

Max Audio Output Power …………………………………………..AM/FM/SSB 2.5 watts

Squelch Range……………………………………………..Adjustable from 0.5Uv to 1mV

Receiver Clarifier Range…………………………………………….…±1.25KHz Variable

Dynamic Range………………………………………………………………… 65dB (SSB)

Overview: Knobs and Keyboard functions

1. POWER ON/OFF SWITCH

This switch turns the transceiver power on and off.

2. HEAD PHONE JACK

Connect head phone plug, Impedance > 32 Ohms, Mono

3. MICROPHONE INPUT

6 pin socket for Albrecht Standard Electret Hand Microphone

4. VOLUME CONTROL

Controls audio output level

5. SQUELCH CONTROL

Used to quiet the receiver during absence of receive signals

Sensitivity to incoming signals is fully adjustable

6. POWER CONTROL Fine adjusting of the Transmit Output Power, down to 3 W

FM/SSB or 0.5 Watt AM

7. CLARIFIER CONTROL

This control provides an adjustment for turning in stations which are slightly OFF

frequency, to optimise the AM and SSB reception and transmission.

8. RF GAIN & MIC GAIN CONTROL

Control the receiver sensitivity by RF GAIN CONTROL (outer knob) to reduce

interference. To decrease RF gain, turn the knob counter clockwise. For the

maximum receiver sensitivity, the RF GAIN control must be rotated clockwise.

MIC GAIN CONTROL (inner knob)

This control provides the proper or desired modulation.

9. CHANNEL SELECTOR SWITCH

This Rotary switch selects the frequency steps. (Switch not active during

transmission)

3 4 5 678910 11

18 17

21 20

10. SWR CALIBRATION CONTROL

The calibration control provides (while keying transmitter) meter calibration

adjustment enabling true standing wave ratio reference.

11. CAL/ SWR/ MOD SELECTION

This switch is used to select the scale to be read on the SWR/ Power Meter. The

switch has three positions MOD (Modulation), CAL (Calibrate), SWR (Standing Wave

Ratio)

KEYBOARD switches 12 - 19

Some of these switches have a double or even 3 way functions. Pressing the

FUNCTION knob (17) before lets You select the second function of the key. In some

cases the third function is selected automatically depending on Your logical actions

before.

Primary function is indicated by “FUNCTION OFF:” This means no FUNC button

shall be pressed

Second function is indicated with “ FUNCTION ON: “ This means that You must

press the FUNC button shortly before using the desired button.

• Third function is always indicated in this way

12. MODE / LOW / MEMORY 5 SWITCH

Double function button: without pressing FUNCTION before:

MODE FUNCTION – select one of the operation modes

FM / AM / USB / LSB

• Load channel in the memory 5 with MEM switch.

After pressing FUNCTION button before:

LOW FUNCTON – This switch activates tone low (high cut) circuits.

• Save channel in the 5 with MEM switch.

13. MEMORY SWITCH

FUNCTION OFF:

MEMORY LOAD FUNCTION – Load one of the 5 memory channels with 5 numeric

key.

FUNCTION ON:

MEMORY SAVE FUNCTION – Save one of the 5 memory channels with 5 numeric

key.

14. LCR / MEMORY 4 SWITCH

FUNCTION OFF:

LCR (Last Channel Recall) FUNCTION – Press LCR to return to the last channel that

was used for longer than 3 seconds or was transmitted on.

• Load channel in the memory 4 with MEM switch

FUNCTION ON;

• Save channel in the memory 4 with MEM switch

15. CALL / MEMORY 2 SWITCH

FUNCTION OFF:

CALL FUNCTION – This switch is used to access a reprogrammed frequency

(memory 2)

• Load channel in the memory 2 with MEM switch

FUNCTION ON:

• Save channel in the memory 2 with MEM switch

16. DIM SWITCH

FUNCTION OFF:

DIM FUNCTION – This switch is used to switch the instruments and keyboard

illumination from bright to dimmer.

17. FUNC SWITCH

BRIEF PUSH: This switch activates as FUNCTION switch the secondary function of

double function switches.

18. STEP / NB / MEMORY 1 SWITCH

FUNCTION OFF:

STEP FUNCTION – This switch is used for select one of the frequency steps

between: 1KHz / 10KHz / 100KHz

1KHz: Sets 1KHz digit of the desired operating frequency.

10KHz: Sets 10 KHz digit of the desired operating frequency.

100 KHz: Sets 100KHz digit of the desired operating frequency.

• Load channel in the memory 1 with MEM switch.

FUNCTION ON:

NB FUNCTION – (Noise Blanker) If your reception is disturbed by interference from

impulse type noise (ignition noise and other electrical noise press NB to reduce or

eliminate the noise)

• Save channel in the memory 1 with MEM switch.

19. SCAN / SHIFT / MEMORY 3 SWITCH

FUNCTION OFF:

SCAN FUNCTION – Set the scan mode on/off in RX mode.

• Load channel in the memory 3 with MEM switch.

FUNCTION ON:

SHIFT FUNCTION for Repeater operation – Press the shift switch to select the

direction: + SHIFT / -SHIFT. Press more than 3 seconds the SHIFT switch to select

to off-set step: 0 ~ 990KHz. In most countries 100 kHz shift is usual. You can get

more information by the local amateur radio clubs.

• Save channel in the memory 3 with MEM switch.

20. LCD DISPLAY

LCD indicates the frequency or channels if selected.

21. MOD / SWR ANALOG METER

This meter reflects SWR calibration and modulation, operated in TX mode.

22. S / RF ANALOG METER

In receive mode, this meter displays incoming signal strength. In the transmit mode

this Meter displays RF power.

BEEP/TONE

Turning on power switch while keeping PTT key pressed sets beep mode on/off.

Display Panel Features: Illustrated below are all the VISUAL INDICATORS that

appear on the display, and the corresponding feature function that they associate

with.

Liquid Crystal Display Panel: The liquid crystal panel provides the user with a visual

information on the operation and status of the AE 497 W.

CAUTION: Due to the physical behaviour of LCD’s, liquid crystal displays should not

be subjected to extremes of temperature or humidity. If the unit is exposed to

temperatures below -20°C (-5°F) or above + 60°C ( +140°F), the display may

temporarily cease to function properly, and in some cases, could result in permanent

damage. Do not subject radio to extreme conditions, such as closed automobile in

direct sunlight or continuous sub zero temperatures.

All liquid crystal displays have a preferred viewing angle when the display contrast is

at a maximum. The best viewing point will vary by user, depending on such variables

as temperature, humidity, battery condition, and the actual users eyesight.

• Function ( FUNC) Mode: Indicates that the “FUNC” button has been selected,

which allows for operation of many of the various features.

• AM: Indicates AM mode operation.

• FM: Indicates FM mode operation.

• USB: Indicates Upper Sideband mode operation.

• LSB: Indicates Lower Sideband mode operation.

• SCAN: Indicates that the radio is in the “scan” mode which works in

conjunction with all frequency and five memory locations.

• Frequency Readout: Displays the corresponding frequency associated with

the channel you are communicating with.

• LOW: Indicates that the Tone Low feature has been turned on.

• SHIFT: Indicates that the SHIFT (+ and -).

• NB: Indicates that the Noise Blanker features has been turned on.

• “L”: Indicates that the memory recall ( = Load) mode has been activated

• “S”: Indicates that the radio is in the “Memory Store” mode, ready to receive a

channel into one of the memory locations.

• TX: Indicates that the radio is in the “transmit” mode.

ANALOG INDICATOR METER:

A B

A S-TX METER: Indicates relative incoming signal strength and RF out put

power.

BModulation / SWR Meter: Measures the percent modulation of the AM signal.

Note that the CAL/SWR/MOD switch must be in the “MOD” position for the

meter to measure and read modulation.

SWR METER: Measures the ratios of standing wave ratio of the antenna system,

which is critical in properly adjusting the length antenna and all related electrical

connections. This meter will indicate if there are any major changes in these critical

areas caused by such things as humidity, vibration, or corrosion, which will cause the

SWR Meter to rise. A rising SWR indicates that a problem exists.

To Calibrate SWR:

a) Set the radio into the AM mode.

b) Switch the CAL/SWR/MOD knob to the SWR position

c) Transmit by pressing the PTT button on the microphone, and adjust the

SWR/CAL, control until the needle reaches the CAL position on the meter.

d) Put the CAL/SWR/MOD knob back to the SWR position, and read the SWR value.

INSTALLATION

LOCATION OF THE RADIO

Prior to beginning operation if the transceiver, a basic installation must be prepared.

Installation of the transceiver itself is a rather simple procedure. In selecting the

location for the unit, two basic factors must be considered:

A. Access to 230V, 50Hz or 13,8V DC power source.

B. The location must be convenient for running the antenna lead in cable if an

outside antenna installation is proposed.

BASE STATION ANTENNA

Since the maximum allowable power output of the transmitter may be limited by the

Regulations or Licence classes, the antenna is the most important factor affecting

transmission distance. Only a properly matched antenna will allow maximum power

transfer from the 50 ohm transmission line to the radiating element.

The recommended method of antenna turning is to use the built in SWR meter to

adjust the antenna turning for maximum reflected power. The radio may be used with

any type of 50 ohm base station antenna.

A ground plane vertical antenna will provide the most uniform horizontal coverage.

This type of antenna is best suited for communication with a mobile unit. For point to

point operation where both stations are fixed, a directional beam will usually increase

communicating range since this beam antenna also allows the receiver to “listen” in

only one direction, thus reducing interfering signals.

OPERATING PROCEDURES TO RECEIVE

1. Turn the radio ON by pressing the POWER switch.

2. Press the “Mode” selection button (labeled “5” on the button) continuously until

you find the mode of operation you desire to operate in (AM, FM, USB, LSB).

3. Adjust the VOLUME control until you reach your desired listening level.

4. Turn the frequency selector knob to the desired operating frequency.

5. Turn the RF GAIN control completely clockwise.

6. Adjust the “CLARIFIER” control to clarify the SSB signals (start from middle

position).

7. Listen to the background noise coming from the radio. Turn the squelch control

slowly until the noise just disappears. (No signal should now be present). Leave

the control at this setting. The SQUELCH is now properly adjusted. The receiver

will remain quiet until a signal is actually received. Do not advance the knob too

far, as some of the weaker signals will not be heard.

OPERATING PRODEDURE TO TRANSMIT

1. Select the desired frequency of transmission.

2. Set the MIC GAIN control fully clockwise.

3. Activate the press to talk switch. The receiver and transmitter are controlled by

the press to talk switch on the microphone. Press the switch and the transmitter is

activated. Release the switch to receiver.

4. Hold the microphone two inches from your mouth, speak in a clear normal voice.

5. The S-TX meter will indicate power output and the modulation meter will indicate

percentage of modulation as you speak into the microphone.

CAUTION: Be sure the antenna is properly connected to the radio before

transmitting. Transmitting without an antenna or a poorly matched antenna could

cause damage to the transmitter.

RESEIVING SSB SIGNALS

There are four types of signals presently used for communications in the Citizen

Band: AM, FM, USB and LSB. When the MODE switch on your unit is placed in the

AM position, only standard double sideband, fully carrier signals will be detected. An

SSB signal may be recognized while in the AM mode to produce an intelligible

output. The USB and LSB modes will detect upper sideband an lower sideband

respectively, and standard AM signals.

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