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JHD1120
6
System Menu
1. Press and hold the PTY/MENU button (2) for more than 2 seconds to enter the system
menu. The first menu item, “KEYBEEP”, will appear on the display.
2. Press the TUNE/SEEK |<< / >>| (18, 19) button repeatedly to navigate the system menu.
3. Press the INFO/ENTER button (16) to select the desired item.
4. Press the INFO/ENTER button again to adjust the selected menu item.
The following items can be adjusted:
• KEYBEEP (Clk (click) / Bep (beep) / Off): Turn the audible beep On/Off (heard when
functions/buttons are selected).
• LCDLITE (1-10): Adjust LCD brightness.
• TUNING (USA / EURO): Set frequency spacing for various regions.
• P-- CLOCK (1-10 / Off)
• CLK FMT (12Hour / 24Hour): Select 12 or 24 hour display mode.
• CLK (HH : MM): Set clock.
• Press the INFO/ENTER button (16) to view the clock set screen.
• Press the INFO/ENTER button to move to the next digit.
• Press the TUNE/SEEK |<< / >>| (18, 19) buttons to adjust the selected digit.
• PREONLY (On / Off): Turn preset-only tuning on/off.
• BAT ALRM (Off / On): When ON, radio will alert when vehicle battery voltage is below
10.8 VDC.
• BAT OFF (Off / On): When ON, radio will automatically turn off when vehicle battery
voltage is below 10.8 VDC.
• RESET ALL <ENTER>: Press the INFO/ENTER button (16) to return the EEPROM to
factory default set up values.
Equalizer
Press the EQ/LOUD button (11) to choose one of the following pre-defined bass and treble
curves: USER > FLAT > ROCK > CLAS(SICAL) > POP.
Loudness
Press and hold the EQ/LOUD button (11) to toggle loudness on/off. When listening to music at
low volumes, this feature will boost the bass and treble ranges to compensate for the
characteristics of human hearing.
Auxiliary Input
To access an auxiliary device:
1. Connect the portable audio player to the AUX IN on the front panel (17).
2. Press the MODE button (4) to select “Auxiliary” mode.
3. Press MODE again to cancel “Auxiliary” mode and go to the next mode.
Liquid Crystal Display (LCD)
The current frequency and activated functions are shown on the LCD panel (21).
NOTE: LCD panels may take longer to respond when subjected to cold temperatures for
an extended period of time. In addition, the visibility of the characters on the LCD may
decrease slightly. The LCD display will return to normal when the temperature increases
to a normal range.