Ranger RCI-5054DX 用户手册

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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 

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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.