[Elecraft] Battery operation on the K2

[Bob Nielsen]

On Sun, Nov 02, 2003 at 09:10:08PM -0700, Michael D. Heit KD7YLA wrote:
> Ok gurus .... here is my dumb question of the day.  I want to charge up 
> the internal battery in my K2. Do I need to leave the switch for the 
> internal battery on the back panel of the K2 in the on position during 
> charge or off? The "Caution: ..." paragraph has me a bit some what 
> confused. I have the power supply set to read exactly 14 volts per the 
> front panel LCD with the K2 internal voltage supply, but I am a bit 
> confused about weather the thing is charging ...?
> I have completed the building of  K2 #3776, I will post a complete 
> report later today... when I am fully awake. I sat up till 3 AM just 
> listening to it. Threw a "junk box special" antenna together last night 
> and am totally amazed at how sensitive this radio is...even inside my 
> concrete bunker house!
> 

Since the switch is in series with the connection between the K2 and
the battery, it won't charge if the switch is open.

The instructions recommend 13.7 +/- 0.2 volts as measured on the front
panel LCD (14.0 +/- 0.2 volts at the power jack).

If you remove the external power and measure the voltage with the LCD
meter, you will get a rough indication of the state of charging.

-- 
Bob Nielsen, N7XY                          n7xy (at) n7xy.net
Bainbridge Island, WA                      http://www.n7xy.net