User manual ICOM IC-720

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Manual abstract: user guide ICOM IC-720

Detailed instructions for use are in the User's Guide.

[. . . ] We would like to take a few moments of your time to thank you for making the IC-720 your radio of choice, and hope you agree with Icom's philosophy of "technology first. " Many hours of research and development went into the design of your IC-720. D FEATURES Ultimate receiver performance: third-order intercept (IP3) of +40 dBm (HF bands only), both main and sub Independent identical receiver circuits for main and sub bands provide perfect no-compromise Dualwatch operation Built-in Baudot RTTY and PSK31 modulator/demodulator and direct PC keyboard connection capability for RTTY and PSK31 operation without a PC Upgraded real-time spectrum scope-- center frequency and fix frequency modes, plus mini-scope displays IMPORTANT READ THIS INSTRUCTION MANUAL CAREFULLY before attempting to operate the transceiver. SAVE THIS INSTRUCTION MANUAL. This manual contains important safety and operating instructions for the IC-720. EXPLICIT DEFINITIONS WORD R WARNING CAUTION NOTE DEFINITION Personal injury, fire hazard or electric shock may occur. No risk of personal injury, fire or electric shock. TRADEMARKS Icom, Icom Inc. and the logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries. i PRECAUTIONS R WARNING HIGH RF VOLTAGE! [. . . ] The set frequency is always displayed at the center of the screen. [F-2·ATT] [F-4·HOLD] [F-5·CENT/FIX] q Push [EXIT/SET] several times to close a multifunction screen, if necessary. e Push [F-5·CENT/FIX] to select the center mode. ·" " is displayed when center mode is selected. r Push [F-1·SPAN] several times to select the scope span. · ±2. 5, ±5. 0, ±10, ±25, ±50, ±100 and ±250 kHz are available. · Sweeping speed is selectable for each span independently in scope set mode. 5-5, 5-6) [F-1·SPAN] [F-3·MARKER] [EXIT/SET] [F-6·MAIN/SUB] t Push [F-2·ATT] several times to activate an attenuator or turn the attenuator OFF. · 10, 20 and 30 dB attenuators are available. y Push [F-6·MAIN/SUB] to select main band. · The spectrum scope with sub band selection is activated during dualwatch or split frequency operation only. u Push [F-3·MARKER] several times to select the marker (sub readout or transmit frequency) or turn the marker OFF. ·" " displays the marker at the transmit frequency. ·" " displays the marker at the sub readout frequency. · "<<" or ">>" appears when the marker is out of range. · The spectrum scope shows the transmit signal waveform while transmitting. 5-4) · The spectrum scope shows the peak level holding function. Peak levels are displayed in the background of the current spectrum in a different color until the receive frequency changes. This can be deactivated and the waveform color can be set in scope set mode. 5-5) · Observed indication example i Push [F-4·HOLD] to freeze the current spectrum waveform. · " HOLD " appears while the function is in use. Freq. ) : In addition to the carrier point center setting above, the actual frequency is displayed for the bottom of the scope. Set the waveform color for the currently received signals. · The color is set in RGB format. · Push [F-3· ] to select R (Red), G (Green) and B (Blue), and rotate the ratio from 0 to 255 range. · The set color is indicated in the box beside the RGB scale. Set the waveform color for the receiving signals maximum level. · The color is set in RGB format. · Push [F-3· ] to select R (Red), G (Green) and B (Blue), and rotate the ratio from 0 to 255 range. · The set color is indicated in the box beside the RGB scale. Select the sweeping speed for the ±2. 5 kHz span selection from SLOW, MID and FAST. NOTE: The waveform may be displayed incorrectly with "FAST" setting. Select the sweeping speed for the ±5 kHz span selection from SLOW, MID and FAST. NOTE: The waveform may be displayed incorrectly with "FAST" setting. Select the sweeping speed for the ±10 kHz span selection from SLOW, MID and FAST. Select the sweeping speed for the ±25 kHz span selection from SLOW, MID and FAST. 5-5 5 FUNCTIONS FOR RECEIVE D Scope set mode (continued) Select the sweeping speed for the ±50 kHz span selection from SLOW, MID and FAST. Select the sweeping speed for the ±100 kHz span selection from SLOW, MID and FAST. Select the sweeping speed for the ±250 kHz span selection from SLOW, MID and FAST. Set the scope edge frequencies for fix mode scope with below 1. 6 MHz band selection. · Set the frequencies within 0. 030 to 1. 600 MHz range in 1 kHz steps. Up to 500 kHz band width can be specified, so either edge frequency will be set to the difference between higher and lower frequencies become 5 to 500 kHz automatically while setting another edge frequency. Set the scope edge frequencies for fix mode scope when 1. 6 to 2 MHz band is selected. · Set the frequencies within 1. 600 to 2. 000 MHz range in 1 kHz steps. Set the scope edge frequencies for fix mode scope when 2 to 6 MHz band is selected. · Set the frequencies within 2. 000 to 6. 000 MHz range in 1 kHz steps. Up to 500 kHz band width can be specified, so either edge frequency will be set to the difference between higher and lower frequencies become 5 to 500 kHz automatically while setting another edge frequency. Set the scope edge frequencies for fix mode scope when 6 to 8 MHz band is selected. · Set the frequencies within 6. 000 to 8. 000 MHz range in 1 kHz steps. Up to 500 kHz band width can be specified, so either edge frequency will be set to the difference between higher and lower frequencies become 5 to 500 kHz automatically while setting another edge frequency. 5-6 FUNCTIONS FOR RECEIVE 5 D Scope set mode (continued) Set the scope edge frequencies for fix mode scope when 8 to 11 MHz band is selected. · Set the frequencies within 8. 000 to 11. 000 MHz range in 1 kHz steps. Up to 500 kHz band width can be specified, so either edge frequency will be set to the difference between higher and lower frequencies become 5 to 500 kHz automatically while setting another edge frequency. Set the scope edge frequencies for fix mode scope when 11 to 15 MHz band is selected. · Set the frequencies within 11. 000 to 15. 000 MHz range in 1 kHz steps. Up to 500 kHz band width can be specified, so either edge frequency will be set to the difference between higher and lower frequencies become 5 to 500 kHz automatically while setting another edge frequency. Set the scope edge frequencies for fix mode scope when 15 to 20 MHz band is selected. · Set the frequencies within 15. 000 to 20. 000 MHz range in 1 kHz steps. [. . . ] e Push [F-5·OTHERS] to select miscellaneous (others) set mode. [F-1·Y] [F-2·Z] [F-5·OTHERS] [EXIT/SET] r Push [F-1·Y]/[F-2·Z] several times to select "IP Address" item. t Push [F-3· ] to select the desired part then rotate main dial to set the desired or specified IP address. · "192. 168. 0. 1" is the default setting. y Push [F-2·Z] to select "Subnet Mask" item. u Rotate main dial to set the desired or specified subnet mask. · "255. 255. 255. 0" is the default setting. i Push [POWER] to turn the transceiver power OFF, then ON to effect the IP address and subnet mask settings. 16-7 16 UPDATING THE FIRMWARE D Updating from the PC q Start up the IC-720 Firm Utility. · The window as at left appears. w Read the caution in the window carefully. e Click [Yes] if you agree and continue the firmware updating. Click to continue r Select the firmware file, that has "dat" extension (e. g. : 7800_110. dat). [. . . ]

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