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Kenwood DSP-100 user manual
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1. J 4 The functions of DIP switches 1 8 and 9 have priority over the operation of DIP switches 6 and 7 2 If there is no compatible transceiver that can control the functions of DIP switches 6 and 7 the filter passband will be fixed at 200 Hz and 2750 Hz 3 The occupied frequency band during transmit is increased when DIP switch 1 is off Use of an extemal audio equalizer etc is recommended if DIP switch 1 is off 4 The low frequency response of the transmitter is improved when DIP switches 4 and 9 are off This has the disadvantage of reducing the carrier suppression ratio since the carrier suppression notch filter is off We therefore recommend that you leave DIP switches 4 and 9 on 5 The LPF FILTER switch is not active when the speech processor of the transceiver is on
2. be able to operate the transceiver in the full break in mode because the 8 mS time constant is longer than transceiver requires to switch between transmit and receive 3 FSK mode Transmit 1 Place the transceiver in the FSK mode 2 Press the DSP 100 TX switch to turn on the DSP 100 transmit function 3 Place the transceiver into the transmit mode by depressing the REC SEND switch or by keying your terminal unit 4 Adjust the CAR LEVEL control on the front of the DSP 100 so that the ALC indicator stays within the ALC meter zone Notes 1 The FSK shift width and direction of the DSP 100 are determined by programming _ information provided by the transceiver 2 The CAR control on the transceiver is disabled during DSP transmit operations 4 AM mode Transmit 1 Place the transceiver in the AM mode 2 Press the DSP 100 TX switch to turn on the DSP 100 transmit function 3 Adjust the CAR LEVEL and the MIC GAIN controls on the front of the DSP 100 rather than the equivalent controls on the transceiver when adjusting the transceiver for AM operation Note The AR and MIC controls on the transceiver are disabled during DSP 100 transmit 5 FM mode Transmit 1 Place the transceiver in the FM mode 2 Press the DSP 100 TX switch to tum on the DSP 100 transmit function 3 Place the transceiver into the transmit mode by depressing the PTT switch on your microphone 4 Adjust the CAR LE
3. DSP 100 can be controlled thru the programming of the DIP switch located on the rear of the DSP 100 All the switches are ON as delivered from the factory Refer to the accompanying chart for additional information on the functions that can be controlled by this switch 8 SSB transmitter output level adjustment Note This equipment has been calibrated at the factory using an extemal frequency standard and should therefore not require further adjustment Do not attempt to recalibrate this adjustment unless absolutely necessary The SSB transmit audio output level is adjusted with the TX GAIN control on the rear of the DSP 100 A two tone signal produced by the DSP 100 intemally is used for this adjustment 1 Connect the DSP 100 to the transceiver Attach a 50 ohm load to the antenna terminal of the transceiver and adjust the transceiver for a frequency of 21 200 MHz in the USB mode Turn the PWR control fully clockwise Tum the speech processor OFF 2 Turn DIP switch positions 2 and 10 OFF as illustrated in the diagram below Set the LPF select switch on the front panel of the DSP 100 to the 2750 Hz position 3 Place the transceiver into transmit and adjust the TX GAIN control on the back of the DSP 100 so that the ALC Indicator reads ful scaleon the ALC meter Note The MIC control of the transceiver and the MIC GAIN control of the DSP 100 are disabled during this adjustment 4 Unkey the radio and return D
4. IP switch positions 2and 10 to their ON positions Downloaded by Amateur Radio Directory www hamdirectory info DIP Switch Setting Switch No Position ON OFF Description Turns the LPF Low Pass Filter on or off 1 LPF In Out This filter determines the high cut frequency for transmit and receive 6 FSK PSK Determines the type of waveform generated in the FSK mode Allows a double sideband suppressed 3 SSB DSB carrier to be generated during SSB operation when tumed Off A A 3 Controls the carriers suppression notch 4 Carrier Suppression notch filter In Out filter during transmit operations Selects the desired CW waveform CW waveform Rise Decay time select characteristics FAST SLOW ON_ FAST 2 mS SLOW 4 mS OFF FAST 6 mS SLOW 8 mS FILTER switch transmit receive selection The LPF HPF switches on the front panel are controlled by the FILTER switch during Switch Switch transmit or receive It is also possible to fix No 6 No 7 the filter of transmit or receive at the 100 Hz Low cut and 3100 Hz High cut 6 7 ON ON Front switches contro RX and TX bandwidth ON OFF Fixed during RX OFF ON Fixed during TX oF OFF Controlled by transceiver Controis the receiver HPF that determines 8 Receive HPF control the low frequency cutoff point 7 Controls the transmit HPF that determines 9 Transmit HPF contro te ow tea Ai 10 Remote Control Usually yj tunad on Allows DSP 100 to Notes j
5. KENWOOD DSP 100 MANUAL Notice to the user One or more of the following statements may be applicable to this equipment FCC WARNING This equipment generates or uses radio frequency energy Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual The user could lose the authority to operate this equipment if an unauthorized change or modification is made Information to the digital device user required by the FCC This equipment has been tested and found to comply with the limits for a Class B digital device Pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can generate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that the interference will not occur in a particular installation If this equipment does cause jharmful interference to radio or television reception which can be determined by tuming the equipment off and on the user is encouraged to try to correct the interference by one or more ot the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment in
6. VEL control on the front of the DSP 100 so that the ALC indicator stays within the ALC meter zone Notes 1 The DSP 100 will only generate a carrier No modulation is performed by the DSP 100 itself You must speak into the microphone to modulate the carrier 2 The CAR control on the transceiver is disabled during DSP 100 transmit operations 6 SSB CW and FSK mode Receive 1 Select the receive mode on your transceiver ic unkey the set 2 Press the DSP 100 RX switch to turn on the DSP 100 receiver function 3 The receiver audio passband can be adjusted with the FILTER switches on the front of the DSP 100 You can select a low cut frequency of 100 200 300 or 400 Hz and or a high cut frequency of 2600 2750 2900 or BIOO Hz 1 You can select the desired receiver audio passband with the front panel controls on the DSP 100 and select to have a transmit audio passband of from 100 to 3100 Hz Please refer to section 7 for information on this function The signal strength meter reading S Meter may be lower than the actual signal strength or the audio level might be lower than normal when using a 6 kHz IF filter This is because the AGC circuits might be adversely affected by other nearby signals with such a wide IF bandwidth This can effectively lower the gain of the receiver This should not be a problem with the other filter selections on the transceiver N 7 DIP switch Several functions of the
7. frequency of 2600 2750 2900 or S100 Hz _ Notes You can select the desired receiver audio passband with the front panel controls on the DSP 100 and select to have a transmit audio passband of from 100 to 3100 Hz Please refer to section 7 for information on this function Do not advance the MIC GAIN control too far clockwise when the filter low cut filter switch is set to 100Hz It is possible for the transmitter to key when you depress the TX switch on the front of the DSP 100 Keep the contro adjustment so that the ALC meter readina is within the ALC ranae 2 N 2 CW mode Transmit 1 Place the transceiver in the CW mode 2 Press the DSP 100 TX switch to tum on the DSP 100 transmit function 3 Depress the CW key or depress the REC SEND switch on the transceiver to select the transmit mode 4 Adjust the CAR LEVEL control on the front of the DSP 100 so that the ALC indicator stays within the ALC zone during transmit Note The CAR control on the transceiver is disabled during DSP transmit operations 6 Select the desired Rise and Decay times of your CW waveform by using the CW switch on the front panel of the DSP 100 The rise decay time is 4 mS in SLOW and 2 mS in FAST You can change these settings to 8 mS SLOW and 6 mS FAST using the DIP switch on the rear of the DSP 100 Please refer to section 7 for additional information on this function Note you select a rise decay time of 8m you will not
8. ity to digitally process the incoming receive audio signal can also result in a cleaner signal Since the processing is done at an IF level it results in a more copyable signal Not only are you able to tailor the audio frequency response but because the signal has been digitally processed it also appears to be cleaner or more crisp Downloaded by Amateur Radio Directory www hamdirectory into E SPECIFICATIONS SPECIFICATION DSP 100 Mode J3E LSB USB ATAICW ASE AM FIA FSK IK and P ovac 10 Power requirement E and M type 230VAC 10 IX type 240VAC 10 Power dissipation Less than 30W Operating 10 C to 50 C temperature 14 F to 122 C Output frequency 455kHz Input frequency 36 891MHz SSB Balanced modulation Noait AM Low leve modulation Unwanted frequency jerien More than 50dB i 270X56X 281mm Dimensions WxHxD F Projections included 005 8 ve oo i Weight 3 kg 6 6 lbs ACCESSORIES Cable with connector 6 pin Cable with connector 13 pin Cable with connector Yellow Cable with connector Black Fuse 0 2A E type Fuse 0 2A M and X type Instruction Manual Waranty oard U SA Canada and Europe version only Tea E INSTALLATION Refer to the instruction manual provided with the transceiver Downloaded by Amateur Radia Directory ww hamdirectory info POWER switch Press to turn the power ON or OFF QPOWER indicator Lights when the POWER switch i
9. s ON RX switch Depressing this switch will allow the DSP 100 to be used during receive TX switch Depressing this switch will allow the DSP 100 to be used during transmit CW switch Depressing this switch will allow the DSP 100 to be used during CW to control the rise and decay times of the transmitted signal CAR LEVEL contro Used to adjust the carrier level of the transceiver in the CW FSK AM and FM modes of operation MIC GAIN control Used to adjust the microphone gain level of the transceiver during SSB and AM operation FILTER switch HPF This 4 position control is used to select the dosred low frequency cutoff point GFILTER switch LPF This 4 position control is used to select the desired high frequency cutoff point Rear Panel E TAME bdd dlh DIP switch This switch is used to control some of the less frequently used functions of the DSP 100 Please refer to the chart on page 5 for further information on this control CONT IN connector Connect the 6 pin DIN cable from this jack to the ACC1 jack on the rear of the transceiver CONT OUT connector This connecter is used when there are two transceivers connected together in a Master Slave configuration and you have separate DSP 100 units for each transceiver This connector is used to eannartad tha intarfane DSP3 connector Connect the 13 pin DIN cable from this jack to the DSP3 connector on the rear of the transceiver DsP2 connec
10. to an outlet on a circuit different from that to which the receiver is connected Consult the dealer for technical assistance WARNING To prevent fire or shock hazard do not expose this appliance to rain or moisture General Digital Signal Processing is a method of signal manipulation that takes an analog signal such as a sine wave and converts it into a digital waveform that looks a lot like a staircase By converting the signal into a digital waveform itis possible to remove some of the noise associated with the signal and also to tailor the audio passband of the transceiver for the best performance DSP also has the advantage of providing increased suppression of the unwanted sideband during SSB operations It increases the amount of carrier suppression provides an improved CW waveform that may be tailored for operator preference of rise and decay times and provides a cleaner RTTY FSK signal that decreases errors Operator controls are provided on the front panel of the DSP 100 to allow the operator to select 4 different LPF response limits and 4 different HPF response limits This is useful in pileups as it provides maximum signal intelligence with minimum bandwidth Since the signal is also digitally processed this results in a signal that is cleaner or more crisp than an equivalent analog signal This makes it easier for the DX station to pick you out of the pile up During marginal band conditions the abil
11. tor Connect the black RCA cable from this jack to the DSP2 jack on the rear of the transceiver DSPt connector Connect the yellow RCA cable from this jack to the DSP1 jack on the rear of the transceiver TX GAIN volume This control is used to adjust the output level during SSB transmissions E OPERATION 1 SSB mode Transmit 1 Place the transceiver in the desired SSB mode USB or LSB 2 Press the DSP 100 TX switch to turn on the DSP 100 transmit function 3 Depress the PTT switch on your microphone and adjust the MIC GAIN control of the DSP 100 so that the ALC indicator on the transceiver remains within the ALC zone when you speak into the microphone Notes The MIC gain control on the transceiver will be disabled when the TX function of the DSP 100 is on 2 The DSP 100 contains a clipper circuit to reduce the microphone gain when an excessively strong signal is generated by the microphone This might cause some distortion on your transmitted signal The SSB transmitter audio level of the DSP 100 can be adjusted with the TX GAIN control on the rear of the DSP 100 Do not adjust this control unless t is absolutely necessary Improper adjustment can result in distortion of your transmitted audio signal 4 The transmit audio passband can be adjusted with the FILTER switches on the front of the DSP 100 You can select a low cut frequency of 100 200 300 or 400 Hz and or a high cut
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