Global Specialties 4005 - Manual - Manual (Page 10)

10
3. OPERATION
3-1. Controls, Indicators and Connectors
Figure 1. FRONT
PANEL OPERATOR’S CONTROLS
POWER SWITCH: Push for Power On/Off
RANGE SWITCHES: Frequency Range Selector
FUNCTION SWITCHES: Select Sine wave, Triangle Wave or
Square Wave Output
ATTENUATOR: Selects Output Level by -20 dB.
INTERNAL/EXTERNAL SWITCH: IN: for External Frequency Counter
OUT: for Internal Frequency Counter.
LOW PASS FILTER: With this switch pushed in, the input is routed through a
SWITCH (LPF) low- pass filter with-3dB point of
approximately 100KHz.
DISPLAY: 6 Digit (0.4") Green 7 segment display .
GATE TIME INDICATOR: Gate Time is selected automatically by
the input signal.
MHz, KHz, Hz, mHz INDICATOR: Indicates Unit of Frequency.
COARSE FREQUENCY DIAL: Controls the output coarse frequency in
the selected range.