[GreenKeys] Keyboard Contavts

[John, W9DDD]

Doesn't the motor base also have contacts to the base?


On 2/28/2026 3:46 PM, E. wrote:
> I believe these four contacts cut power to the printing unit whenever it’s pulled off of the base for maintenance.  Also, I think two of the contacts maintain the loop current when such happens... I vaguely remember this but not 100% certain.
>
>
>> On Feb 28, 2026, at 2:35 PM, Tom Hunter <tomhenryhunter at gmail.com> wrote:
>>
>> Jay
>>
>> The eight contacts are keyboard contacts.
>>
>> I don't know what the other four contacts are for.
>> Maybe someone can tell us - I would like to know.
>>
>>
>> Tom   N3CRK
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The above comments or recommendations are SWAG. Use at your own risk.

John, W9DDD