K2 High Current Level

[n0jrn]

Hi gang:

One other question to insure I am not setting myself up for disappointment.
:-)

When you use CAL  CUR  to set the current limit,  is there a limit to how
high one can go without jeopardizing the rig??

My K2  has  the  KSB2,  KDSP2,  KNB2,  KAT2,  KBT2,  KIO2  &  K160RX
installed.

When I key the rig with it set to 10 watts out,   I'm getting  about  2.8
amps of draw.     I didn't figure that was unusual with all the options on
board.   BUT  it kept giving me a high current warning when I first key up
and it appeared to be cutting my output back.   So,  I went into CAL CUR
and raised the current limit to 3.0 amps.

Initial setting per the manual was 2.5 amps.

Just wanted to be sure I wasn't going to burn the house down........

What cha think ??

72         Jerry             N0JRN

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[Robie Elms-2]

Jerry,

The KSB2 Adapter operating instructions (page 22) indicate that CAL
CUR should be set to a maximum of 3.5 amps. Mine is set to 3.5 amps
and under some conditions I get an HI CUR using a Heil ICM microphone.
 I use the lower mic gain setting and the K2 seems to work very well.

Robie - AJ4F

On Sun, Mar 30, 2008 at 7:19 PM, n0jrn <[hidden email]> wrote:

> Hi gang:
>
> One other question to insure I am not setting myself up for disappointment.
> :-)
>
> When you use CAL  CUR  to set the current limit,  is there a limit to how
> high one can go without jeopardizing the rig??
>
> My K2  has  the  KSB2,  KDSP2,  KNB2,  KAT2,  KBT2,  KIO2  &  K160RX
> installed.
>
> When I key the rig with it set to 10 watts out,   I'm getting  about  2.8
> amps of draw.     I didn't figure that was unusual with all the options on
> board.   BUT  it kept giving me a high current warning when I first key up
> and it appeared to be cutting my output back.   So,  I went into CAL CUR
> and raised the current limit to 3.0 amps.
>
> Initial setting per the manual was 2.5 amps.
>
> Just wanted to be sure I wasn't going to burn the house down........
>
> What cha think ??
>
> 72         Jerry             N0JRN
>
> _______________________________________________
> Elecraft mailing list
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> You must be a subscriber to post to the list.
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>
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>

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[oe9fwv]

Jerry,

On 30 Mar 2008 at 19:19, n0jrn wrote:

> One other question to insure I am not setting myself up for
> disappointment. :-)
>
> When you use CAL  CUR  to set the current limit,  is there a limit to
> how high one can go without jeopardizing the rig??
>
> My K2  has  the  KSB2,  KDSP2,  KNB2,  KAT2,  KBT2,  KIO2  &  K160RX
> installed.
>
> When I key the rig with it set to 10 watts out,   I'm getting  about
> 2.8 amps of draw.     I didn't figure that was unusual with all the
> options on board.   BUT  it kept giving me a high current warning when
> I first key up and it appeared to be cutting my output back.   So,  I
> went into CAL CUR and raised the current limit to 3.0 amps.
>
> Initial setting per the manual was 2.5 amps.
>
> Just wanted to be sure I wasn't going to burn the house down........
>
> What cha think ??

the maximal output and power drain is on 40m.
I use 3.5 A Cal Cur setting and was said to be on the save side with this.

73! de Werner
OE9FWV

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