special circumstances. We discourage use of this feature in normal operation, as it can be annoying to other operators.

11.SPLIT BUTTON (SPLIT): Enables the offsetting of the transmitter frequency by up to +/- 2 Mhz (programmable) for FM repeater operation.

12.PROGRAM BUTTON (PRG): Used to pre-program operating or scanning frequencies into memory. See the OPERATION section of this manual for details.

13.MANUAL BUTTON (MAN): Used to return the unit to manual mode.

14.SHIFT BUTTON (SHF): Determines which digit will change when changing frequencies, by placing a “cursor” under the desired digit. Allows frequency to be changed in 100 Hz, 1KHz, 10KHz, 100KHz and 1 MHz increments.

15.DIM BUTTON (DIM): This button adjusts the display backlighting in four different steps to best match the ambient light.

16.SWR BUTTON (SWR): Used to check relative SWR.

17.SCAN BUTTON (SCAN): Used to enable the scanning of frequencies. See the PROGRAMMING and SCANNING section of this manual for detailed information on using the scan control.

18.MEMORY BUTTON (MEM): Used to program often used frequencies in memory. Detailed information on how to use this control is provided in the PROGRAMMING section of the manual.

19.ENTER BUTTON (ENT): Used to program frequencies in memory. See PROGRAMMING section.

20.LOCK BUTTON (LOCK): Disables the Frequency Selector Control, UP/DOWN buttons on the front control panel and remote

UP/DOWN buttons on the microphone. Pressing this switch again will re-enable the frequency selectors.

21.UP/DOWN SELECTOR: These buttons are used to increase or decrease the frequency digit above the SHF cursor on the display.

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Ranger RCI-5054DX owner manual