Icom IC-7410 Instruction Manual - Page 71

6 FUNCTIONS FOR TRANSMIT ■ Speech Compressor (Mode: SSB) The Speech Compressor function increases average RF output power, improving signal strength and readability. q Push [SSB] to select the USB or LSB mode. w R otate the [MIC] control to adjust the microphone gain so the ALC meter reads within the ALC zone, whether or not you speak softly or loudly. e P ush [COMP] to turn ON the Speech Compressor function. • "COMP" appears. r W hile speaking into the microphone at your normal voice level, rotate the [COMP] control to adjust the compressor level so the COMP meter reads within the COMP zone. • Hold down [F-3] for 1 second to reset to the default set- ting, if desired. When the COMP meter peaks above the COMP level zone, your transmitted voice may be distorted. [MIC] control [SSB] [COMP] control [COMP] Appears M1 AGC TBW SCP COMP meter COMP level zone ■ Transmit filter width selection (Mode: SSB) The transmit filter width for the SSB mode can be set to Wide, Mid or Narrow. q P ush [SSB] to select the USB or LSB mode. w P ush [MENU] to display the "M1" screen (Menu 1), then hold down [TBW](F-4) for 1 second, one or more times, to select a Wide, Mid or Narrow transmission passband width. • Push [TBW](F-4) momentarily to display the selected TX filter width for approximately 1 second. • T he following filters are specified as the defaults. Each of the filter widths can be set in the Tone Control Set mode. (pp. 90, 91) - WIDE : 100 Hz to 2900 Hz - MID : 300 Hz to 2700 Hz - NAR : 500 Hz to 2500 Hz M1 AGC [SSB] [TBW] TBW SCP Hold down M1 AGC TBW WIDE TBW SCP The selected transmit filter width is displayed for approximately 1 second. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 64