Converter and Control Tray A4, Controls, Indicators, and Connectors

TM 11-6625-847-12

Figure 3-4 (2). -- Continued.

3-6.

Converter and Control Tray A4, Controls, Indicators, and Connectors

Control, indicator, or connector

Function

POWER switch -------------------------------------------------

Controls +,27-volt de primary power from test set SERV SEL

switch (positions: OVEN ON, STBY, SSB/NSK, FSK, AM

and CW) to circuits and connectors on tray A4.

CONTROL TEST RF BAND-50Ω -WHIP switch --------

Selects pins on connector 33 to be monitored by CONTROL

indicators A1 through A5, and B1, B2, and B4.

Pos

Action

RF BAND

A1 For 2-2-6 cs.

A2 For 253 cs.

A3 For 3344 cs.

A4 For 35-4 cs.

A5 For 4-10 cs.

B1 For 10-22 cs.

B2 For 4-10 cs.

B4 For 10-22 cs.

50 (ohm)

A1 For 2-5 cs.

A2 For 5-7 cs.

A3 For 7-12 cs.

A4 For 12-14 cs.

3-15