Icom IC-R2500 Instruction Manual

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Icom IC-R2500 Instruction Manual Manual pdf 25 page image

184BASIC OPERATION12345678910111213141516■ IF filter selection [The receiver has 2 to 4 IF passband filter widths for eachmode. Selectable passband widths are 3, 6, 15, 50 and 230(depending on the selected mode).• Selectable passband width for each mode.SSB mode : 3 (2.8 kHz) or 6 kHzCW mode : 3 (2.8 kHz) or 6 kHzAM mode : 3 (2.8 kHz), 6 kHz, 15 kHz or 50 kHzWFM mode: 50 kHz or 230 kHzFM mode : 6 kHz, 15 kHz or 50 kHzq Push the desired band’s [MAIN] to select the main band.w Push [SET•SKIP] to enter set mode.e Push [SET•SKIP] or [ATT•PRIO] several times until “VSC”appears.r Rotate the main band’s [DIAL] to select the desired IFpassband width.t Push any key for the main band to exit set mode.■ IF shift function [The IF shift function electronically changes the passband fre-quency of the IF (Intermediate frequency) cutting out higheror lower frequency components of the IF to reject interfer-ence. This function is available when the receive mode isSSB or CW mode, and shifts the IF frequency up to ±25 steps(in 1 step: 50 Hz).q After pushing [MAIN] to select the desired band (left orright) as the main band, push [SET•SKIP] to enter setmode.w Push [SET•SKIP] or [ATT•PRIO] several times until “SFt”appears.e Rotate the main band’s [DIAL] to set the shifting directionand frequency range.r Push any key for the main band to exit set mode.Center position(default)HighestLowest[SET•SKIP][DIAL][ATT•PRIO][SET•SKIP][DIAL][ATT•PRIO]