siemens: 1 (I); Marloffstein - Schematic help

I respectfully request some some help to locate the volume control (lautstarkeregler) on the schematic of the Marloffstein 1 TRF receiver. There is also NO representation on the copy that was respectfully submitted by Mr Walter Haring.

The description and operation is described on page 4 of the Original brochure, and I include the German language text, and the translations from Babelfish and my edits (which are probably in error - as I have been told).

I have also detected a 1M ohm resistor leading into the plate circuit of the audio output tube. . . .the schematic depicts a 2M ohm, then another 2M ohm resistor leading into the tube.

Translations are as follow:
ORIGINAL
Dabei gilt die obere Hälfte der Skala (M). Beim Empfang nahe liegender starker Sender (Ortssender) wird der Drehknopf für die Rückkopplung (der mittlere) bis zum Anschlag nach links gedreht und die Lautstärke mit dem rechten Drehknopf geregelt. Hierauf wird mit dem Abstimmknopf die Einstellung nochmals verbessert.

Bei Farnempfang kann durch Drehen des Rückkopplungsknopfes nach rechts eine zusätzliche Erhöhung der Lautstärke und der Trennschärfe erreicht werden. Durch Betätigen des Lautstärkeknopfes wird der Empfang dann wieder aus normale Lautstärke eingeregelt und am Abstimmknopf die Einstellung verbessert. Die Rückkopplung darf nur bis kurz vor dem Einsetzen des Pfeiftones (Schwingungseinsatz)nach rechts gedreht werden.

BABELFISH
The following procedures apply to the upper half of the scale (M). With the receipt close lying strong transmitter (short-distance transmitters) is turned to the left the rotary button for the feedback (the middle) up to the notice and the volume with the right rotary button is regulated. With the co-ordination button the attitude is again improved on that.

With fern receipt through tricks of the feedback button an additional increase of the volume and the discrimination can be achieved to the right. The receipt is then in-regulated again from normal volume and improved pressing of the volume button at the co-ordination button the attitude. The feedback may only to short before using the whistler (Schwingungseinsatz)nach to be right turned.

SARBELL TRANSLATION
The following procedures apply for the upper half of the radio dial scale (M). With the reception of nearby strong transmitters (local stations), the rotary knob for the feedback (the middle) is turned to the left up to the stop, and the volume is regulated with the right rotary knob. With very slight adjustment of the feedback knob, the overall reception can be improved again slightly.

With weak reception, additional increase of the volume and station discrimination can be achieved through manual adjustments of the feedback knob slightly more to the right. The reception is then again fed back from the normal volume, and improved by rotating the volume knob while slight adjustment is made to the tuning and feedback knobs. The feedback knob may only be turned a short distance to the right (clockwise) before the "whistling sound" begins to occur as the knob is turned further to the right.

Respectfully,
robert Sarbell

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I have located the "missing" control on the schematic. I apologize for the waste of space and time. I can not recall ever seeing a schematic annotation in that particular manner.

Respectfully,
Robert Sarbell

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