Ramsey Electronics SR2 manual C16 = T3 Slug T3 Slug Out

ˆ4. Turn ON the receiver.

After adjusting the volume to a pleasant level, you should hear some shortwave stations by turning the Tune Control, no matter how any of the adjustable coils happen to be set.

While listening to any kind of station, whether broadcast or Teletype, etc., use a small screwdriver to adjust the slugs in transformers T1 and T2 for the best-sounding reception.

The Tuning Control covers varying segments of the bands selected by adjustment of oscillator coil T3. Adjustment of T3 anywhere between the full In

C16 = .001		T3 Slug In	T3 Slug Out
C15	= None	6.5—13.0 MHz	9.0—18.3 MHz
C15	= 47 pF	5.1—7.9 MHz	7.1—10.7 MHz
C15	= 100 pF	4.3—5.3 MHz	6.0—8.3 MHz

C16 = 100 pF		T3 Slug In	T3 Slug Out
C15	= None	8.4—14.2 MHz	11.5—19.5 MHz
C15	= 47 pF	6.0—8.1 MHz	8.5—11.0 MHz
C15	= 100 pF	4.9—6.3 MHz	6.7—8.4 MHz

position to the full Out position will give the user full range between the minimum and maximum frequency coverage set by C15 and C16.

Both T1 and T2 must be adjusted with a non-metallic alignment tool such as is used in radio-TV service. If you do not have one, a suitable tool can be made by patiently sanding a screwdriver-like blade on the end of a wooden match stick, kabob skewer or small plastic crochet needle. Again, please be aware that a metal screwdriver blade will drastically increase the coil inductance and make adjustment quite difficult. T1 and T2 are simply adjusted for strongest reception of any signal range that is tuned in.

If you are without any kind of testing or frequency reference equipment whatsoever, the easiest way to start enjoying your SR2 is, with the Tune control set at its midpoint, slowly tune T3 with your alignment tool as though it were a tuning dial. Stop when you come into the middle of a group or cluster of foreign broadcast stations. Try tuning around these stations with the Tune control. If you like what you hear, readjust both T1 and T2 for best

SR2 – 21