User manual ICOM IC-77

[. . . ] In addition, an extra 1 call memory is available for storing the most often used, or most important frequency. An independent, one-touch recall switch is available. Superior basic performance A 4-element system is employed for the 1st receive mixer, providing superior receive IMD, especially from in-band, nearby interfering signals. [. . . ] A well-designed double-conversion system to help minimize image and spurious responses for better signal fidelity, is also built-in. A newly designed PLL circuit has been adopted to improve C/N ratio characteristics. The combination of the 4element system mixer and new PLL circuit allows superior basic performance. Front mounted loud speaker With the speaker facing the operator, audio sounds can be clearly heard without impediment during operation. It is no longer necessary to manually increase the volume to try and capture audio sounds. High frequency stability CRYSTAL UNIT When the optional CR-338 HIGH STABILITY is installed, it allows up to ±0. 5 ppm of extremely high stable operation. Flexible filter selection An optional IF filter can be installed into the transceiver, providing 5 passband widths selectable in SSB, CW or RTTY modes. VFO mode operation* For continuous frequency operation, VFO mode operation* capability is available. It is convenient when searching for signals, around the programmed frequencies, such as short wave broadcasts, etc. *depending on version Simple operation The IC-77 is equipped with a large easy-toread LCD. A minimum number of switches and controls allow for superior feature selectability. Keys access functions directly­ there's no secondary function key. You can enter your operating frequency*, or memory channel number directly from the 10key pad. *depending on version Superior features support serious communications Direct channel selection A 10-key pad has been adopted on the front panel. After that rate of stability less than ±30 Hz/hr. Temperature fluctuations 0°C to +50°C (+32°F to +122°F) less than ±350 Hz · Power supply requirement: 13. 8 V DC ±15 % (negative ground) · Current drain (at 13. 8 V DC): Receive Stand-by 1. 3 A max. range : ­10°C to +60°C; +14°F to +140°F · Antenna connector : SO-239 (50 ) · Dimensions : 240(W)×95(H)×239(D) mm (projections not included) 97/16(W)×33/4(H)×913/32(D) in · Weight (approx. ) : 3. 8 kg; 8 lb 6 oz · ACC connector : 13-pin · REMOTE connector : 2-conductor 3. 5 (d) mm (1/8) : More than 40 dB : More than 50 dB : 8-pin connector (600 ) : 3-conductor 6. 5 (d) mm (1/4) : Phono (RCA) : Phono (RCA) : Double-conversion superheterodyne : 0. 16µV (1. 600­29. 999999 MHz) (0. 5 µV at 12 dB SINAD) 13 µV (0. 5­1. 599999 MHz) 2 µV (1. 600­29. 999999 MHz) : Less than 5. 6 µV (SSB) : More than 2. 1 kHz/­6 dB Less than 4. 5 kHz/­60 dB More than 6. 0 kHz/­6 dB Less than 20 kHz/­40 dB : More than 70 dB (1. 600­29. 999999 MHz) : More than 2. 0 W at 10% distortion with an 8 load · PHONES connector · EXT SP connector : 3-conductor 6. 5 (d) mm (1/4) : 2-conductor 3. 5 (d) mm (1/8) /8 Supplied accessories: All stated specifications are typical and subject to change without notice or obligation. · Hand microphone · Spare fuses · DC power cable OPTIONS PS-125 DC POWER SUPPLY Compact power supply with high current capability. Output: 13. 8 V DC (25 A max. ) AT-140 HF AUTOMATIC ANTENNA TUNER Covers 1. 6­30 MHz with a 7 m (23 ft) or longer wire antenna. AT-130/E is also available. AH-4 AUTOMATIC ANTENNA TUNER Covers 3. 5­30 MHz with a 7 m (23 ft) or longer wire antenna. AH-2b ANTENNA ELEMENT For mobile operation with the AH4. All bands between 7­30 MHz can be matched. MN-100 ANTENNA MATCHER Match the transceiver to a dipole antenna without applying DC power. 8 m×2 antenna wires come attached. MN-100L ANTENNA MATCHER Match the transceiver to a longwire antenna without applying DC power. 15 m×1 antenna wire comes attached. app rox. 24. 5 m; 8 0. 3 ft SM-20 DESKTOP MICROPHONE High quality desktop microphone. Includes. [UP]/[DOWN] switches and low cut function. SM-6 DESKTOP MICROPHONE Electret condenser-type desktop microphone. [. . . ] Includes. [UP]/[DOWN] switches and low cut function. SM-6 DESKTOP MICROPHONE Electret condenser-type desktop microphone. FL-52A CW/RTTY narrow; 500 Hz/­6 dB FL-53A CW narrow; 250 Hz/­6 dB FL-222 SSB narrow; 1. 8 kHz/­6 dB FL-257 SSB wide; 3. 3 kHz/­6 dB HM-36 HAND MICROPHONE Same as that supplied. AH-710 FOLDED DIPOLE ANTENNA Covers from 1. 9 to 30 MHz. Easy to assemble (non-kink construction). CR-338 HIGH STABILITY CRYSTAL UNIT Contains a temp. [. . . ]