CL:JD:PM:RN 10/25/01 Page 1 IC-756PRO II Raising the Bar by listening to our customers

CL:JD:PM:RN 10/25/01 Page 2 The Ultimate Station

CL:JD:PM:RN 10/25/01 Page 3 Summary of Improvements Improved 3 rd Intercept point Improved sensitivity Selectable digital filer shape CW and SSB Improvement of the noise reduction control New noise blanker level control Lower floor noise level in the band scope Improved RX audio fidelity DVR operation with band scope enabled External control of keyer Improved contrast of labeling of control knobs and buttons Higher quality display More display backgound colors and schemes Fast RIT Clear

CL:JD:PM:RN 10/25/01 Page 4 Target Market Contesters –Looking for a competitive edge HF operators –Desiring a high end rig 756 Pro Owners The enhancements they requested Serious Data Operators “I want the best” buyer –Top-of-the-line

CL:JD:PM:RN 10/25/01 Page 5 Positioning Strategy Most advanced DSP for Amateur radio “Best” receiver performance Advanced transmitter Innovative Multi-function display Contester’s competitive edge User friendly ergonomics Advanced data modes

CL:JD:PM:RN 10/25/01 Page 6 Most advanced DSP for Amateur radio

CL:JD:PM:RN 10/25/01 Page 7 New 32-Bit Floating Point DSP New 24- bit AD/DA Converter Ultra-wide dynamic range of signal management Clear signals without distortion Many DSP functions

CL:JD:PM:RN 10/25/01 Page 8 AGC Loop Management Multiple AGC loops - Rejects unwanted signals or noise Better than rigs with a single AGC circuit -Copies weak signals without pumping AGC from stronger signals -Eliminates need to constantly “ride the volume” Reduces user fatigue Provides for nearly “hands free” listening! Selectable AGC time constants - Flexibility - Speed - Perfect for working pileups

CL:JD:PM:RN 10/25/01 Page 9 If the AGC is too fast or too slow Quick setting change can make it just right Different settings for different modes Eliminates adjustments when hopping around the band. Set Mode (AGC)

CL:JD:PM:RN 10/25/01 Page 10 Best receiver performance Improved Third Order Intercept Point Improved Noise Reduction Improved Sensitivity Without Preamp Selectable IF Filter Shape Digital Twin Pass Band Tuning Adjustable Level Noise Blanker Manual & Automatic Notch Filter Dual Watch

CL:JD:PM:RN 10/25/01 Page 11 Improved Third Order Intercept Point New 4 element system Refined receiver front-end mixer circuits Improved Input filter Buffer amplifier RF stage components

CL:JD:PM:RN 10/25/01 Page 12 Benefits Greater harmonic image rejection Images of harmonics can degrade receiver performances Improved received “image” rejection from strong signals on other frequencies Cleaner receiver performance Helpful during peak propagation Great for the weak signal listener

CL:JD:PM:RN 10/25/01 Page 13 Improved Noise Reduction Reduces natural and man- made noise level Adjustable from the front panel Separates signal from the noise Outstanding S/N ratio Clean clear audio All modes No distortion of the target signal

CL:JD:PM:RN 10/25/01 Page 14 Improved sensitivity without pre-amp Improved weak signal monitoring –Without increased noise –less necessary to rely on the preamplifier during weak signal reception. Lower noise, per a given signal level Perfect for weak signal work Available if needed –2 level pre-amp –3 level attenuator

CL:JD:PM:RN 10/25/01 Page 15 Selectable IF Filters

CL:JD:PM:RN 10/25/01 Page 16 Select up to 51 digital filters No extra filters to buy Changed easily via the user menu Tailors the received signal Helpful when working pileups where strong signals are present Great for the contester,DXer, or ragchewer on today’s crowded bands !

CL:JD:PM:RN 10/25/01 Page 17 Selectable Filter Shapes SSB SharpCW Sharp Sharp selectivity Signal fidelity Full audio response Eliminates adjacent interference Good readability Pick out weak signals Traditional shape Highs and lows rolled off Increased S/N ratio SSB SoftCW Soft Ultimate sharpness Better than mechanical & crystal 200 Hz from -6/-60dB Pick out weak signals Digital filter, analogue operation Better for pileups No ringing

CL:JD:PM:RN 10/25/01 Page 18 CW filter selections as simple as 1, 2, 3. Select each filter setting by pushing the filter button Make changes on the fly with the Digital PBT CW pitch changes the center frequency, which is shown on the display Set Mode (Filters CW)

CL:JD:PM:RN 10/25/01 Page 19 Visual guides display status of IF bandwidths Select FIL1, FIL 2, and FIL 3 settings Use Digital Twin PBT to narrow or shift the IF bandwidth Great for teaching others in radio operation Set Mode (Filters SSB)

CL:JD:PM:RN 10/25/01 Page 20 Filter indicators on TFT display provide visual confirmation of filter status BW =Bandwidth, SFT = Shift See changes made with Digital Twin PBT See filter and mode selected Filter Indicators

CL:JD:PM:RN 10/25/01 Page 21 Digital Twin Passband Tuning An ICOM exclusive Flexibility of both: IF Shift – moves the pass band PBT- narrow the pass band Cut away interference and noise Hear the actual signal TFT Displays status

CL:JD:PM:RN 10/25/01 Page 22 Adjustable Level Noise Blanker Minimize or eliminate pulse type noises Adjust threshold of noise blanker (101 steps) Maximize noise blanker level Manage offending noise Without distorting target signal audio Greatly enhance weak signal copy

CL:JD:PM:RN 10/25/01 Page 23 Manual Notch An impressive 70 db attenuation Eliminate Strong adjacent signal Beat tone noise Carriers, heterodynes, “tuner- uppers”, and other annoying tones No reduction of AGC gain performance

CL:JD:PM:RN 10/25/01 Page 24 Automatic Notch Function Eliminate 3 or more interfering signals Even if moving No signal loss or distortion Helpful on 80 and 160 meters A great feature for the active SSB operator!

CL:JD:PM:RN 10/25/01 Page 25 Dual Watch Function Receive 2 signals on the same band Listen to your favorite net Keep and ear on the Dx window

CL:JD:PM:RN 10/25/01 Page 26 Advanced Transmitter 100% Duty Cycle Perfect audio Microphone equalizer RF Speech compressor

CL:JD:PM:RN 10/25/01 Page % Duty Cycle Two 2SC5125 transistors in the PA unit Superior IMD characteristics Plenty of power for long contest hours Demand of data modes

CL:JD:PM:RN 10/25/01 Page 28 Perfect Audio Digital Phase Shift Network (DSPN) Used in the SSB modulator Provide clear, high quality Tx audio Voice and data operations

CL:JD:PM:RN 10/25/01 Page 29 Microphone Equalizer Tweak Tx audio with separate treble and bass Built-in audio equalizer 121 combinations Warm, full audio Selectable Tx bandwidth 2.2, 2.4, 2.8 kHz Go from ragchew to Dx audio with the push of a button

CL:JD:PM:RN 10/25/01 Page 30 RF Speech Compressor Utilizes the 32 Bit DSP Maximum punch No fuzzy sound Break through the noise Easily adjusted More average “Talk Power”

CL:JD:PM:RN 10/25/01 Page 31 Innovative Multi-function display

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CL:JD:PM:RN 10/25/01 Page 33 5-Inch TFT Color Display 8 colors 7 fonts

CL:JD:PM:RN 10/25/01 Page 34 Displays

CL:JD:PM:RN 10/25/01 Page 35 More Displays

CL:JD:PM:RN 10/25/01 Page 36 Improved Band scope Noise Floor What once took a S5 signal to see no longer the case. Select from four attenuator levels. 20dB 30dB Real Time Spectrum Scope 10dB

CL:JD:PM:RN 10/25/01 Page 37 Contester’s competitive edge

CL:JD:PM:RN 10/25/01 Page 38 Contester Features Instant RIT/TX clear SSB/CW “synchronous tuning” External control of Digital Voice Recorder Playback & Memory External control of memory keyer Keyer selectable while displaying the band scope Triple band stacking registers Multiple antenna system

CL:JD:PM:RN 10/25/01 Page 39 Instant “RIT Clear” Function Select “quick clear” for instant zeroing Great for contesters Clear the RIT instantly after a QSO Reset the RIT to the VFO’s actual frequency Move on to the next contact! Other users may prefer regular clear “Push and hold” action Prevents accidental clearing

CL:JD:PM:RN 10/25/01 Page 40 SSB/CW Synchronous Tuning No lost CW signals while tuning through the bands Frequency automatically shifts with mode

CL:JD:PM:RN 10/25/01 Page 41 Digital Voice Recorder Receive Record 15 seconds of received audio 4 slots available 30 minutes continuously Great for recording those memorable DX QSO’s! Select from external system too Send Call sign, CQ or other 4 memory locations 90 seconds total Soft partitioned Variable memory sizes

CL:JD:PM:RN 10/25/01 Page 42 External Control of DVR Create your own controls on your favorite key, microphone or keyboard

CL:JD:PM:RN 10/25/01 Page 43 Memory Keyer 4 memories Station information, call sign, etc. 55 characters Other functions –Automatic repeat –Serial contest number auto counter –Morse cut number External control pad Use while watching band scope Increase your Q count

CL:JD:PM:RN 10/25/01 Page 44 Triple Band Stacking Register Eg: on the 20 meter (14 MHz) band “Band” pushed three times Toggle the last used, 20 meter CW, RTTY, and SSB frequencies

CL:JD:PM:RN 10/25/01 Page 45 Multiple Antennas Fully automatic antenna system Built in tuner Automatic antenna selection Change bands and antennas with one push 3 RX and 2TX switch Separate Rx antenna

CL:JD:PM:RN 10/25/01 Page 46 Advanced Data Operations Digital & Voice modes store filter settings independently Compression no longer allowed in Digital Modes 1/4 Tuning Steps in Digital Mode Improved low-level volume control

CL:JD:PM:RN 10/25/01 Page 47 Data Communications SSB, AM & FM Auto BPF selected <500 Hz in SSB mode Auto sharpen Auto compression turn off Auto ¼ tuning step Perfect for PSK31, SSTV, AFSK

CL:JD:PM:RN 10/25/01 Page 48 Twin Peak Audio Filters 32 bit DSP improves RTTY reception Automatically peaking the areas of the mark and space frequencies Removes QRM Error free decoded messages

CL:JD:PM:RN 10/25/01 Page 49 High Stability Crystal Unit POC type crystal oscillator +/- 0.5ppm A must for MARS or other digital operation

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CL:JD:PM:RN 10/25/01 Page 51 RTTY Demodulator and Decoder Built in RTTY demodulator and decoder Reads baudot signals on the screen Copy w/out PC Tuning indicator show where you are

CL:JD:PM:RN 10/25/01 Page 52 User Friendly Ergonomics

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CL:JD:PM:RN 10/25/01 Page 54 New Meter Multifunction meter Easily viewed, with a multicolor scale. Measures. SWR- measurement of the connected antenna ALC- microphone adjustment levels Compression- transmitter audio compression levels RF Power- transmitter power output levels “S” Unit- received signal strength levels

CL:JD:PM:RN 10/25/01 Page 55 New Keypad IC-756PRO II IC-756PRO Feed back from the ham radio community said the keypad on the IC-756PRO was too hard to read. The new keypad with improved lettering for better readability.

CL:JD:PM:RN 10/25/01 Page 56 Rear Panel Very simple and clean layout which was very popular in the IC-756PRO has been adapted for the ‘PRO II.

CL:JD:PM:RN 10/25/01 Page 57 Standard Features 32-bit Floating Point IF DSP Multiple AGC Twin Passband Tuning User Selectable AGC User Selectable IF Filters Meters 100 watts 100% Duty Cycle Digital Voice recorder CW Memory Keyer Computer Controllable TCXO Standard Transverter port 2 TX/RX antenna ports 1 RX only antenna Port

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CL:JD:PM:RN 10/25/01 Page 62 Accessories