Harman Kardon HK550VXI Owners Manual - Page 6
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6 9. Loudness At the far lower left of your receiver is a LOUDNESS button. It provides a special equalization curve which compensates for the ear's decreased bass sensitivity at low listening levels. When using your system for low level background music, engage this button to restore frequency balance. 10. Operating Mode indicator lights At the top left hand side of your receiver are two LED's. HIGH CURRENT and HIGH VOLTAGE refer to the mode of operation to which the HK550Vxi / HK440Vxi is currently set. This is covered in the Hook-Up section farther on in this manual. 11. FM/AM Presets The FM/AM PRESET MEMORY section is used to set and recall up to 12 FM and 6 AM stations. How can you select 18 stations with just 6 buttons? 12. Band selection At the lower right of the numbered preset buttons is a selection button marked FM 1 / FM 2 / AM. This selector cycles the operation of the presets from FM 1 (the first 6 FM presets) to FM 2 (the second 6 FM presets) to AM and then back to FM 1, depending on how many times you press it. In each case, an appropriate indicator lights up in the tuner section display next to the selector button. 13. Memory Above the FM 1 / FM 2 / AM selector is a MEMORY button which is used to enter station memory presets. You do not need to use all of the presets. Full instructions on entering memory presets are in the Operation section of this manual. 14. Tuner section display Next to the FM/AM PRESET MEMORY section, is the HK550Vxi / HK440Vxi's LCD display panel. First are indicators for the 3 groups of presets: FM 1, FM 2 and AM. Next is the digital station frequency display. Depending on whether an FM or AM station has been selected it will read in MHz (FM) or KHz (AM). Finally, the panel includes an FM stereo indicator and a digital display that tells you which preset has been selected. Note that it also displays the second set of FM presets as 1-6. 15. UP, DOWN and SEEK tuning The large square TUNING buttons and the smaller one to their right marked seek work together to select stations from FM and AM broadcast bands. The seek button determines the action of the large UP and DOWN TUNING buttons. When the seek button is pushed, the receiver's tuner circuitry is in SEEK mode and the word "SEEK" will light up in the LCD display area. Pressing either the UP or DOWN TUNING buttons causes the tuner to scan across the broadcast band "seeking" (and stopping) at the next strong signal. In the SEEK mode, the scanning circuit will automatically jump to the opposite end of the tuning band and begin searching again. When the seek button is pushed again (MANUAL), the UP and DOWN TUNING buttons function much like a tuning knob on a simple radio. Pushing UP moves "up" the FM or AM broadcast bands; DOWN tunes "down". This allows you to locate weak or adjacent stations which might be skipped over while in the SEEK mode. When you reach the top or bottom limit of either band, you must press the opposite direction button to begin moving back across the broadcast band.
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