Section III
Models 6 9 1A/6 92 A/6 93 A/694A
Figure 3-5
P
MANUAL SWEEP IN1 SO WAVE FREO
.*".L-
1. Set LINE to RF: RF indicator glows. - with red VERNIER: clockwise rotation
decreases time. To synchronize AUTO sweep
2. Press MARKER SWEEP. Check that all other with power-line frequency, switchVERNIER in-
pushbuttons are released. to LINE SYNC position. (LINE SYNC gives
shortest sweep time of the range selected.)
3. With MARKER 1 START/CW set start frequency
on adjacent GC digital counter. Use POWER LEVEL as an uncalibrated output
attenuator. RF output is maximum at 10, min-
4. With MARKER 2 STOP set stop frequency on imum at 0. Attenuation range depends on
adjacent GC digital counter. whether RF is leveled or unleveled. With un-
leveled operation range is 30 db minimum. See
5. Choose AUTO, MANUAL, or TRIGgered sweep RF Power Leveling for leveled operation
mode with SWEEP SELECTOR. See Sweep characteristics.
Modes for mode characteristics.
Marker sweep has external amplitude and in-
6. With AUTO or TRIG mode set SWEEP TIME to ternal square wave modulation capability. See
desired range. Vary time within selected range Amplitude Modulation.
Figure 3-5. Marker Sweep Operation
3 -7
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