Start / stop freq and center / span, Wheel step, Full span – Bird Technologies SH-36S-RM-Manual User Manual
Page 48: Freq list

Bird Technologies
32
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:
z
Up/Down Arrow Keys: Increase and decrease the frequency
or span in small steps.
z
Left/Right Arrow Keys: Increase and decrease the frequency
or span in large steps.
z
Mouse Scroll Wheel: Each click of the mouse scroll wheel
changes the frequency or span by the value of the “Wheel Step”.
z
Number Keys: Press any key except +/- 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:
z
Up/Down Arrow Keys and Mouse Scroll Wheel: Change
the step value by a small amount.
z
Left/Right Arrow Keys: Change the step value by a large
amount.
z
Number Keys: Press any key except +/- 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 corre-
sponding 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).
Freq List
Selecting this opens up a list of predefined frequency bands. Use the
up/down arrows or mouse scroll wheel to scroll to the desired band,
then press Enter to use it. Recently used bands are displayed at the
top of the list.
Note:
Channelized bands are denoted on the Frequency
List by a plus sign; “+”.