Elecraft KX1 Manual - Manual (Page 48)

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LECRAFT 47
Receive Current Drain Test (Optional)
The current drain in receive mode is about 35 mA (with the LED
menu entry set to 0, 1, or 2). If the current drain is significantly
lower or higher than this, it could indicate a problem.
To check the current drain, set your DMM for DC milliamps and
temporarily insert the DMM in series between the KX1 and the power
supply. Turn the KX1 on and note the current: _____ mA.
Operating Frequency Calibration (Optional)
The operating frequency display may be off by as much as ± 200Hz
until calibrated, due to variations in the 50-MHz reference oscillator
and BFO components. Accuracy can be improved to approximately ±
10 or 20 Hz using the BFO and DDS menu entries.
While it is possible to do operating frequency calibration at this time,
we recommend that it be done after assembly and test have been
completed. The calibration procedure is described on page 68.