Joey -
Calibration by the procedure in the manual will make the S-Meter quite
"accurate", whatever that is. To me, an "accurate" S-Meter reads S-9
with a 50 uV signal at the antenna. There are a couple of other
"standards", but this is the one I choose.
If by "all the way to the left" you mean below S-1, and it doesn't set
to S-1 with the internal and external ZERO adjustments, then you
probably have a gassy tube at V1, V3 or V5. Once the 1 uV point is set
to S-3, set the S-1 (zero) level with the Bias control, and the full
scale 60 dB over S-9 with 30,000 uV input and with the Meter
Sensitivity control, the meter should read S-9 with a 50 uV signal.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs
<www.k4oah.com>
Richard J. Fiero II W5TFW wrote:
I want to adjust my s meter in my R4C its NOT accurate.
if I read the book right, its simply a matter of disconnecting the
antenna and putting the meter on s1.
( right now its all the way to the left. )
I just want to be sure, thats all there is to this.
it does work, its just not right.
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