[ICOM] IC-28H

[Bill NY9H]

or put a small pushbutton out the end of the 8pin mic plug...



At 02:54 PM 7/19/2007, you wrote:
>Thomas,
>
>I looked in the IC-28H manual and the scanning is dependent on use 
>of the mic up/down buttons only.
>I don't have the up / down circuit at hand but going from memory 
>grounding Pin 3 the radio will scan up and grounding Pin 3 through a 
>470 Ohm resistor the radio will scan down. Would not be hard to add 
>a couple of switches in a small box in  circuit with the SM-6 to 
>accomplish that.
>
>The control scheme has not changed for some time with Icom so other 
>owners manuals show the actual circuit of the Up / Down frequency control.
>
>Gary K8IZ
>
>Thomas Giella KN4LF wrote:
>>I own an old IC-28H 2 meter FM rig. In order to scan the 21 memories you
>>must depress the up or down buttons on the HM-12 hand mic. Does anyone know
>>if the memory scan can be activated by pressing a couple of buttons on the
>>rig? I like using my SM-6 desk mic with the rig and it does not have up/down
>>scanning buttons.
>>
>>- -... ...- -,
>>Thomas F. Giella, KN4LF
>>Lakeland, FL, USA
>>kn4lf at earthlink.net
>>
>>KN4LF SWL & Amateur Radio Autobiography: http://www.kn4lf.com
>>
>>
>>----
>>Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
>>Icom Users Net: Sundays, 1700Z, 14.316 MHz
>>Icom FAQ: http://www.qsl.net/icom/
>>
>>.
>
>----
>Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
>Icom Users Net: Sundays, 1700Z, 14.316 MHz
>Icom FAQ: http://www.qsl.net/icom/