A-A-50756
12. Modulation. Internal 1 KHZ oscillator (may be used to modulate the sweep and CW).
13. Input power. 115/230 VAC, 50/60 HZ (200 watts).
14. Level adjust. RF level control used to set unattenuated output at specified level.
15. Meter. Indicates the actual RF output.
16. Sweep width. Adjusts the sweep width by varying the voltage supplied to the sweep.
17. Marker size. Adjusts the amplitude of the plug-in and external markers.
18. Fixed markers. Switches B+ to the plug-in markers.
19. External marker. An external signal source can be inserted at this connector to produce a ( ) marker on the RF output.
20. Marker adder.
a. In = The demodulated signal from the service being tested is fed into this connection ( ) that the marker signal can be superimposed.
b. Out = This connector should be connected to the vertical input ( ) ( ) the scope for ( ) ( ) demodulated signal and markers.
21. Scope horizontal. Oscilloscope horizontal drive signal is preset at this connector which should be connected to the scope horizontal input terminals.
22. Function switch. Selects the internal control circuits for the following functions.
a. AC power on-off
b. Sweep
c. CW.
d. Mod sweep
e. Stand-( )
f. Mod CW
23. Design. MIL-T-28800, Type II, Class 5, Style E, Color R
24. Construction. Bench, system safety per MIL-T-28800, para. 3.2.3.
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