BIRD SignalHawk SH-36S-PC, Operation Manual

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SignalHawk™ PC and Rack Mount Models
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Start / Stop Freq and Center / Span
These settings control the frequency range being swept.
Note: “Center / Span” are used in this manual, but using “Start /
Stop Freq” achieves the same results.
After clicking the menu selection, it will highlight the active function. Then the
following can be performed:

Up/Down Arrow Keys: Increase and decrease the frequency or span in
small steps.

Left/Right Arrow Keys: Increase and decrease the frequency or span in
large steps.

Mouse Scroll Wheel: Each click of the mouse scroll wheel changes the
frequency or span by the value of the “Wheel Step”.

Number Keys: Press any key /- to open a box to type in a new
frequency.
Note: If a mistake happens, press Esc/Back. When done, press
enter (to keep the same frequency units) or click the menu
selection corresponding to the desired units.
Wheel Step
When another frequency function is active and the mouse scroll wheel is
turned, the value will change in steps of the “Wheel Step”. After clicking “Wheel
Step” to highlight it, the following is enabled:

Up/Down Arrow Keys and Mouse Scroll Wheel: Change the step value
by a small amount.

Left/Right Arrow Keys: Change the step value by a large amount.

Number Keys: Press any key /- to open a box to type in a new
frequency. If a mistake is made, press Esc/Back. When done, press
enter, or click the menu selection corresponding to the desired units.
Full Span
Click on this to set the Start Freq to 0, and the Stop Freq to the max freq of the
unit, currently 3.6 GHz.
Note: The start frequency can be set to 0 as a convenience.
However, the accuracy spec does not apply below the minimum
freq of the unit (100 kHz).