The P3 reads the K3 preamp and attenuator settings and adjusts its gain accordingly for accurate amplitude display. The K3 can be set to either take ATT/PRE into account to keep the S meter reading the same, or not, depending on the SMTR MD menu setting. If set to NOR, that can be one reason (among several) for differences in K3/P3 S-meter readings.

Alan N1AL


On 04/01/2014 11:19 AM, Phil Wheeler wrote:
How are Pre and ATT set? As I recall mine matches only with ATT on and
Pre off, but I've not looked lately.

Phil W7OX

On 4/1/14, 11:54 AM, Bud Governale wrote:
My P3 always matched S meter signal level to the K3.

This morning with the S0 on the K3 ( with antenna disconnected) the P3 is
displaying a level about 7 db below the S0 level.

With antenna connected the K3 shows S7 while the P3 level on the
screen is
slightly below S0.

What happened and how do I fix this?

73,

Bud W3LL
w...@arrl.net

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