User manual ICOM IC-745

[. . . ] 1 DC e Spare fuse (ATC 5 A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 r Spare fuse (ATC 30 A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 t 6. 35 (d) mm plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 q w FEATURES ltimate receiver performance: third-order interU cept(IP3)of+30dBm(HFbandsonly) uilt-inBaudotRTTYandPSKmodulator/demoduB latoranddirectPCkeyboardconnectioncapability forRTTYandPSKoperationswithoutaPC ighresolutionspectrumscope--centerfrequency H and fixed frequency modes, plus mini-scope displays USBconnectorsonfrontandrearpanels LargeLCDwithLEDbacklight e r t IMPORTANT transcever. READ THIS INSTRUCTION MANUAL CAREFULLY before attemptng to operate the SAVE THIS INSTRUCTION MANUAL. [. . . ] NOTE: If a strong sgnal s receved, a ghost sgnal may also appear. Push [ATT] (F-2) several tmes to actvate the spectrum scope attenuator n ths case. 65 Scope spurious example RECEIVE AND TRANSMIT 4 D Fixed mode Dsplays sgnals wthn the specfed frequency range. Condtons on the selected frequency band can be observed at a glance when usng ths mode. q Push [EXIT/SET] several tmes to close a multfuncton screen, f necessary. w Push [SCOPE] (F-1) to select the scope screen. e Push [CENT/FIX] (F-5) several tmes to select the fxed mode. ·" " s dsplayed when fxed mode s selected. HOLD F-4 CENT/FIX F-5 r Push [ATT] (F-2) several tmes to actvate an attenuator or turn the attenuator OFF. · 10, 20 and 30 dB attenuators are avalable. · Push and hold [ATT] (F-2) for 1 sec. to turn OFF the attenuator. F-1 SCOPE F-2 SPAN ATT F-3 MARKER EXIT/SET 1 / t Push [MARKER] (F-3) several tmes to turn the marker for transmt frequency and/or sub readout frequency ON or OFF. · " " dsplays the marker at the transmt frequency. · " " dsplays the marker at the sub readout frequency. ·" " dsplays the marker at the man readout frequency. (always dsplayed) · "<<" or ">>" appears when the marker s out of range. · The set color s ndcated n the box besde the RGB scale. Sweep Speed (± 2. 5k) MID NOTE: Sgnals may be dsplayed ncorrectly wth "FAST" settng. Select the sweep speed for the ±2. 5 kHz span selecton from SLOW, MID and FAST. Sweep Speed (± 5k) MID NOTE: Sgnals may be dsplayed ncorrectly wth "FAST" settng. Select the sweep speed for the ±5 kHz span selecton from SLOW, MID and FAST. Sweep Speed (± 10k) FAST Select the sweep speed for the ±10 kHz span selecton from SLOW, MID and FAST. Contnues to the next page. 68 4 RECEIVE AND TRANSMIT D Scope set mode (contnued) Sweep Speed (± 25k) FAST Select the sweep speed for the ±25 kHz span selecton from SLOW, MID and FAST. Sweep Speed (± 50k) FAST Select the sweep speed for the ±50 kHz span selecton from SLOW, MID and FAST. Sweep Speed (±100k) FAST Select the sweep speed for the ±100 kHz span selecton from SLOW, MID and FAST. Sweep Speed (±250k) FAST Select the sweep speed for the ±250 kHz span selecton from SLOW, MID and FAST. Fixed Edges ( 0. 03 - 1. 60) 0. 750 - 1. 250 MHz Set the scope edge frequences for fixed mode for bands below 1. 6 MHz. · Set the frequences wthn 0. 030 to 1. 600 MHz range n 1 kHz steps. As edge frequences are set, the other edge frequency wll be automatcally set for a dsplay band wdth of 5 kHz to a maxmum of 500 kHz. Fixed Edges ( 1. 60 - 2. 00) 1. 800 - 2. 000 MHz Set the scope edge frequences for fxed mode scope when the 1. 6 to 2 MHz band s selected. · Set the frequences wthn 1. 600 to 2. 000 MHz range n 1 kHz steps. Fixed Edges ( 2. 00 - 6. 00) 3. 500 - 4. 000 MHz Set the scope edge frequences for fxed mode scope when the 2 to 6 MHz band s selected. · Set the frequences wthn 2. 000 to 6. 000 MHz range n 1 kHz steps. As edge frequences are set, the other edge frequency wll be automatcally set for a dsplay band wdth of 5 kHz to a maxmum of 500 kHz. Fixed Edges ( 6. 00 - 8. 00) 7. 000 - 7. 300 MHz Set the scope edge frequences for fxed mode scope when the 6 to 8 MHz band s selected. · Set the frequences wthn 6. 000 to 8. 000 MHz range n 1 kHz steps. As edge frequences are set, the other edge frequency wll be automatcally set for a dsplay band wdth of 5 kHz to a maxmum of 500 kHz. 69 RECEIVE AND TRANSMIT 4 Fixed Edges ( 8. 00 - 11. 00) 10. 100 - 10. 150 MHz · Set the frequences wthn 8. 000 to 11. 000 MHz range n 1 kHz steps. As edge frequences are set, the other edge frequency wll be automatcally set for a dsplay band wdth of 5 kHz to a maxmum of 500 kHz. Set the scope edge frequences for fxed mode scope when the 8 to 11 MHz band s selected. Fixed Edges (11. 00 - 15. 00) 14. 000 - 14. 350 MHz · Set the frequences wthn 11. 000 to 15. 000 MHz range n 1 kHz steps. As edge frequences are set, the other edge frequency wll be automatcally set for a dsplay band wdth of 5 kHz to a maxmum of 500 kHz. Set the scope edge frequences for fxed mode scope when the 11 to 15 MHz band s selected. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 70 Fixed Edges (15. 00 - 20. 00) 18. 068 - 18. 168 MHz · Set the frequences wthn 15. 000 to 20. 000 MHz range n 1 kHz steps. As edge frequences are set, the other edge frequency wll be automatcally set for a dsplay band wdth of 5 kHz to a maxmum of 500 kHz. Set the scope edge frequences for fxed mode scope when the 15 to 20 MHz band s selected. Fixed Edges (20. 00 - 22. 00) 21. 000 - 21. 450 MHz · Set the frequences wthn 20. 000 to 22. 000 MHz range n 1 kHz steps. As edge frequences are set, the other edge frequency wll be automatcally set for a dsplay band wdth of 5 kHz to a maxmum of 500 kHz. Set the scope edge frequences for fxed mode scope when the 20 to 22 MHz band s selected. Fixed Edges (22. 00 - 26. 00) 24. 890 - 24. 990 MHz · Set the frequences wthn 22. 000 to 26. 000 MHz range n 1 kHz steps. As edge frequences are set, the other edge frequency wll be automatcally set for a dsplay band wdth of 5 kHz to a maxmum of 500 kHz. Contnues to the next page. Set the scope edge frequences for fxed mode scope when the 22 to 26 MHz band s selected. 4 RECEIVE AND TRANSMIT D Scope set mode (contnued) Fixed Edges (26. 00 - 30. 00) 28. 000 - 28. 500 MHz · Set the frequences wthn 26. 000 to 30. 000 MHz range n 1 kHz steps. [. . . ] !7 Dependng on the update, one or two dalog boxes as at rght appear n sequence. RWARNING: NEVER turn the IC-745 power OFF at ths stage. The transcever frmware wll be corrupted. !8 After the dalog dsappears, the frmware updatng s completed and normal operaton screen appears. 165 CE INSTALLATION NOTES For amateur base staton nstallatons t s recommended that the forward clearance n front of the antenna array s calculated relatve to the EIRP (Effectve Isotropc Radated Power). [. . . ]