B&K Precision 4003A - Manual - Manual (Page 9)

9
Section 4
Controls & Indicators
4.1 FRONT PANEL (Refer to
Figure 1 &
Figure 2)
1. POWER SWITCH
Pushing the switch “ON” will light the LED of the 5 digit display to indicate power ON.
2. FREQUENCY CONTROL KNOB
Used to adjust the required frequency for selected range with the multiplication factor of
0.04 to 4.0.
3. SYNC OUTPUT
The TTL level square signal output synchronous with frequency of MAIN output.
4. SWEEP OUTPUT
Sweep signal is available regardless of position of SWEEP ON switch (turned on and off by
SWEEP RATE knob).
5. MAIN OUTPUT
Function output signal provides normal mode or sweep mode output depending on mode
selected. The maximum output impedance is 50 Ω.
6. AMPLITUDE KNOB
The amplitude of the signal can be adjusted from 0.2 Vpp to 20 Vpp at no load. Pull the
knob to attenuate the signal 10 times.
7. DC OFFSET
This knob can apply a DC offset to the MAIN output signal. Turn the knob clockwise for
positive offset and counterclockwise for negative offset.
8. SWEEP RATE
This knob is used to adjust the sweep rate from 5 seconds to 10 milliseconds. Also if this
knob is pulled, then sweep mode operation will be ON.
9. SWEEP WIDTH
This knob is used to adjust the sweep width. When the knob is in “Push” condition, a linear
sweep output will be available. When knob is in “Pull” condition, a log sweep output will
be available.