LNR LD5 DSP-SDR Quick Manual Manual Download Page 5

Page: 5 / 18

Measurement

SWR and Power in numbers or bar

supply voltage –real voltage on

display

Two modes CW

Select a hand key or a paddle

Receiver

Receive sensitivity

0.2uV

Preamp

Ant Preamp

+12

Spurious response rejection

IMD3 -48Db/ 5W

IMD5 -43dB

ATT

-6 db

Summary of Contents for LD5 DSP-SDR

Page 1: ...2014 LNR Precision Par EndFedz Antennas and QRP Transceivers LD5 CW SSB QRP Transceiver SDR DSP...

Page 2: ...line LCD Matrix of buttons Encoder The unit has electronic CW Iambic key SWR meter and output power wattmeter Functions that this unit performs are separate and switchable for reception transmission...

Page 3: ...ers Block diagram Specifications General Frequency range 7000 kHz 22 MHz 40 30 20 17 and 15 meter operation Modes USB LSB CW CW R DIGITAL DATA CAT USB jack CW PSK RTTY SSTV 3 5mm jack Power 5W output...

Page 4: ...equal the offset Notch Filter Automatic Heterodyne filter for SSB from 6 to 40 db Noise reduction level of attenuation of the noise from 1 to 50 use minimal necessary Noise Blanker adjusted in the ran...

Page 5: ...sceivers Measurement SWR and Power in numbers or bar supply voltage real voltage on display Two modes CW Select a hand key or a paddle Receiver Receive sensitivity 0 2uV Preamp Ant Preamp 12 dB Spurio...

Page 6: ...2014 LNR Precision Par EndFedz Antennas and QRP Transceivers Front panel indicators and functions...

Page 7: ...ode select next menu item DOWN Arrow Change band lower In menu mode select previous menu item MODE Select CW CWR LSB USB DIGI VFO Select either VFO A or B STEP Sequential pressing of the STEP button o...

Page 8: ...4 is customizable in CW and SSB CW from 50Hz 2400Hz SSB from Low end of 250Hz to High end of 3400Hz CW Select Filter 4 Press F then Filter Use the VFO knob to adjust bandwidth SSB Select Filter 4 Pres...

Page 9: ...OISE BLANKER Adjustable using tuning knob from 4 to 12 4 is maximum blanking 12 is minimum Changes can be heard while in Menu mode NOISE REDUCTION Menu range from 1 to 100 with 1 being the least If NR...

Page 10: ...2014 LNR Precision Par EndFedz Antennas and QRP Transceivers...

Page 11: ...and must be switched on permanently DIRECT CONVERSION should be used as an option On any VFO when you push RIT an asterisk appears as shown When you move frequency up an arrow will appear to the right...

Page 12: ...ow to the left If you switch on TX the frequency on VFO B will appear 14030 00 You will notice that VFO A frequency can move up down but VFO B is fixed on TX If you wish to reverse the frequency exit...

Page 13: ...The letter B will display to the left of the Filter on the LCD display FILTER Filter 4 is customizable in CW and SSB CW from 50Hz 2400Hz SSB from Low end of 250Hz to High end of 3400Hz CW Select Filte...

Page 14: ...n RX minimum reading has two modes fast and slow for quick setting and fine switched with STEP Each transceiver is factory default recorded on the accompanying document FILTER SSB Setup filters from 1...

Page 15: ...00 1000Hz NOTCH FILTER Heterodyne auto notch filter from 6dB to 40dB Available only in SSB mode NOISE BLANKER Adjustable from 4 12 4 is maximum blanking Changes can be heard while in Menu mode NOISE R...

Page 16: ...ct the USB Power Cord and Antenna before powering on the radio Then Power ON the Radio Finally start up your software program In order to operate digital mode or interface with computer utilize the Li...

Page 17: ...TX 1 Put the LD 5 on 40M 2 Enter Service Menu 3 Use the UP and DOWN arrow keys to bring up Begin Frequency 2 Band 4 Using the VFO knob to tune to 1 8MHz Pressing the Step button will enable faster QS...

Page 18: ...on Par EndFedz Antennas and QRP Transceivers TUNING BAR STEPS IN CW MODE PREAMP ENABLE NORMAL ATTENUATOR ENABLE EXAMPLE CW FILTER 1 EXAMPLE CW FILTER 4 KEYBOARD LOCKED NOISE REDUCTION R NOISE BLANKER...