设备使用说明书
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Figure 5.2 Control buttons unit
6 TURNING ON/OFF
6.1 Turning on the device
Power on: when the device is off, turn on the side switch button, and then press the menu button for more than
2 seconds to turn on the device. The screen will display the results of the device self-test. Then, the device
switches to normal operation.
6.2 Turning off the device
Power off: when the device is running, long press the menu button for more than 2 seconds. After the screen
goes out, turn off the side switch button.
7 DEVICE SCREEN
The device displays the results of scanning the specified frequencies in the form of user-defined plots and
charts. The current settings of the device, the scanning range, the type of displayed plot or chart and other
important information for the user are located on the bottom line of the screen. Consider this information line from
left to right.
8.<move>Buttons for moving markers, moving in frequency and
amplitude, changing the scanning range.
9.<span>switching buttons (8) to the mode for changing the scan
range at a constant center frequency (widening and narrowing of the
range).
10.<freq>switching buttons (8) to the center frequency change
mode without changing the scan range (left / right shift of the range).
11.<marker>switch the marker number and set the button mode (8)
to move the marker in frequency.
12.<plot>switching buttons (8) to the mode for changing the scan
range at a constant center frequency (widening and narrowing of the
range).
13.<ampl>switches the buttons (8) to the reference level change
mode when some plots are displayed.
14.<menu>exit to the main menu. Turning the device on and off
when pressed and held for more than 2 seconds.
