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E.  VFOs and Memories; Repeater Operations 

 
The radio has two VFOs, labeled A and B. In addition, there are 495 “regular” memories 
plus a handful of special memories. The memories are organized in five banks of 99 
memories each, called Bank A through Bank E. So the numbering scheme for memories 
is as follows: A00 ~ A99, B00 ~ B99, etc. 
 
In addition to these memories, there are two Call Channels on the 2m band, labeled  

144

C1 

and 

144

C2,and two Call Channels on 70 cm, labeled 

430

C1 and 

430

C2. (This sounds 

incredibly non-intuitive to me, but that’s how they did it.)

1

  

 
VFO Operation.  Push the MENU button 
repeatedly to access Menu-1.  Touch the V/M 
soft key to switch between VFO and Memory 
mode. You will see the mode displayed 
above the channel number. You can also 
touch the channel number or VFO/MEMO 
icon to toggle back and forth if you don’t 
happen to be in Menu 1. 
 
While in VFO mode, touch the A/B button to 
toggle between VFO-A and VFO-B.  Touch 
and hold the A/B button to equalize both 
VFOs to the currently displayed frequency. 
 
Memory Operation.  While in memory mode, 
use the memory channel selector knob, 
located below the volume knob, to select the 
desired memory.  The ring around the 
memory channel selector knob is used to 
select one of the five memory banks. 
 
When you select a memory channel, the radio chooses the saved frequency, repeater shift, 
operating mode, transmit power, tone or digital squelch encode/decode parameters, and 
(on HF) filter settings. You can change any of these settings, but reselecting the same 
memory a second time will restore the original (saved) settings. 
 
Repeater Shift. The radio automatically selects the appropriate repeater shift, in 
accordance with the ARRL Band Plan, when tuned to a repeater output frequency. This 
setting can be overridden using the DUP (duplex) soft key found in Menu-2.  
 
Listen on the Input. When operating on a repeater, you can temporarily reverse the 
repeater input and output frequencies by holding down the XFC (Xmit Frequency Check) 

                                                 

1

 There are also a handful of memories that are used to set limits for scanning, but we won’t go into those. 

The scanning memories are labeled 1A, 1B, 2A, 2B, 3A, and 3B. Just don’t confuse memory A01 (a 
regular memory channel) with memory 1A (used only with the scanning feature). 

Figure 3

 

Summary of Contents for IC-7100

Page 1: ...io off The ring around the volume control knob in Figure 1 serves as the squelch control on 2 m 70 cm FM and as the RF gain control on HF and 6 m The manual describes a number of special functions tha...

Page 2: ...a menu of special functions The functions of the soft keys change depending on which menu or sub menu you are in The menu that is being displayed in Figure 2 is Menu 1 as indicated by the M 1 indicat...

Page 3: ...cross the band Touch the kHz digits to enable coarse tuning mode Touch and hold the kHz digits to select the coarse tuning step size The choices are 1 kHz to 100 kHz per step 5 kHz is customary on 2m...

Page 4: ...eway on 2m or 70 cm choose the FM DATA mode FM D is what shows on the screen For HF Winlink you would choose the USB DATA mode regardless of which HF band you are using However note that we don t inte...

Page 5: ...eration While in memory mode use the memory channel selector knob located below the volume knob to select the desired memory The ring around the memory channel selector knob is used to select one of t...

Page 6: ...o the factory microphone Be kind to the operator who follows you CTCSS PL Tones When using a repeater that requires a sub audible tone for access use the MENU button to access Menu 2 Touching the TONE...

Page 7: ...e it may be less confusing to use the VFO mode to program a memory channel Touch the channel number or VFO MEMO icon on the right side of the touch screen to select VFO A or B Set the desired contents...

Page 8: ...xplanation Connectors Menu DATA OFF MOD MIC Sets the source of transmitted audio when in FM mode DATA MOD ACC Sets the source of transmitted audio when in FM D data mode DATA MOD Level 50 Sets the tra...

Page 9: ...nother potential stumbling block is figuring out what COM port was assigned to your serial port by Windows You will need this information to configure the Winlink Express software Plugging the same US...

Page 10: ...e settings Start the program and choose Files Winlink Express Setup from the menu Enter your callsign with no suffix and the password you created when you registered at Winlink org While it is optiona...

Page 11: ...ons listed above except for WA3YOO 10 which is literally across the street from the hospital In a pinch you should be able to establish a packet peer to peer PTP connection with another local station...

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