Icom ID-52A Advanced Manual english - Page 232
Band Scope function, OTHER FUNCTIONS
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15 OTHER FUNCTIONS Band Scope function Use the Band Scope function to visually search a specified frequency range around the displayed frequency. You can use this function to search for a signal, and see the relative received signal strength level. On the single band display, you can confirm the signal strengths over time by the waterfall function. On the single band display within 137 ~ 174 MHz and 375 ~ 479 MHz, you can hear the displayed frequency's audio during a sweep. The Band Scope function has 2 sweep types. •• Single Sweep: Searches the specified frequency range only once. The Single Sweep starts from the lower frequency, and the sweep stops after reaching the upper frequency. •• Continuous Sweep: Repeatedly searches the specified frequency range. The transceiver's sweep bandwidth is ± 15* × the tuning step number, centered on the operating frequency. * You can change the displayed steps to ± 20 steps. ([MENU] > SET > Scope > Displayed Steps) During a sweep in the Center mode Center frequency (Example: 146.010 MHz) You can select the Band Scope display mode from three modes, the Center mode, the FIX mode, and the Scroll (FIX) mode. Center mode Displays signals around the operating frequency within the selected span. FIX mode Displays signals within a specified frequency range. LLSet the displayed frequency range on the MENU screen. (p. 12-7) ([MENU] > SET > Scope > FIX Mode Center Frequency) Mode icon (FIX mode) Edge (Lower frequency) Edge (Upper frequency) Operating frequency (moves) When the operating frequency moves outside the upper or lower Edge frequency, "" or "" is displayed in the upper side corners of the Band Scope screen. Band Scope display Strong level Weak level When selecting a Band Scope zone (with a line in orange) Sweep marker Scroll (FIX) mode Displays signals within a specified frequency range. When the operating frequency moves outside of the screen, the displayed frequency range is automatically shifted. LLSet the displayed frequency range on the MENU screen. (p. 12-7) ([MENU] > SET > Scope > FIX Mode Center Frequency) While stopping a sweep Operating frequency (moves) Mode icon (Scroll (FIX) mode) Operating frequency (moves) 15-2