Metrix GX 305, Руководство пользователя, Страница: 18 / 62

GX 320 Description
III - 18 Function Generators
GX 320 Description (contd.)
Keys pressed for
more than 1 second
Pressing for more than 1 second sets the GATE function.
Pressing for more than 1 second forces the duty cycle to 50 %.
Pressing the key for more than 1 second switches from a peak to peak
amplitude display to an RMS (root mean square) display.
Pressing the key for more than 1 second forces the offset value to 0.
LOGIC LEVEL LOGIC LEVEL LOGIC LEVEL LOGIC LEVEL
Pressing the key for more than 1 second assigns the LCD contrast adjustment
to the wheel.
BURST function activated, INTernal source. Pressing the key for more than 1
second is used to switch the number of pulses Num in the pulse generation
period Time, and vice versa.
These keys assign the selected frequency to the start or end of the current
range.
Ranges
Press > 1 Second
‘RANGE-’
Press > 1 second
‘RANGE+’
[0.001 Hz ; 0.01 Hz] 0.001 Hz 0.01 Hz
[0.01 Hz ; 0.1 Hz] 0.01 Hz 0.1 Hz
[0.1 Hz ; 1 Hz] 0.1 Hz 1 Hz
[1 Hz ; 10 Hz] 1 Hz 10 Hz
[10 Hz ; 100 Hz] 10 Hz 100 Hz
[100 Hz ; 1 kHz] 100 Hz 1 kHz
[1 kHz ; 10 kHz] 1 kHz 10 kHz
[10 kHz ; 100 kHz] 10 kHz 100 kHz
[100 kHz ; 1 MHz] 100 kHz 1 MHz
[1 MHz ; 10 MHz] 1 MHz 10 MHz
[10 MHz ; 20 MHz] 10 MHz 20 MHz
For the SWEEP or MODUL FM or FSK functions pressing the key for more
than 1 second is used to switch between Freq
START
and Freq
END
and vice versa.