Velleman DVM20FGC Guia De Inicio Rapido página 2

Humidity
Atmospheric Pressure
Size (L x B x H)
Weight
3. Panel Description
1. POWER
2. FUNCTION
3. FREQUENCY switch
4. Hz
5. KHz
6. GATE
7. The internally or externally generated frequency is displayed.
8. FREQ.
9. EXT –20dB
10. Counter
11. PULL TO VAR RAMP/PULSE : The waveform is symmetrical when the knob is pressed
DVM20FGC
max. RH90%
86kPa ~ 104kPa
310 x 230 x 90mm
2kg
: on/off switch.
: Enables the user to select the output waveform. You can
install a positive and negative ramp or pulse when this
button is used in combination with SYM or INV
: Can be used to select a frequency range in combination
with the FREQ. rotary control (8).
: Indicates the frequency in Hz.
: Indicates the frequency in KHz (1000Hz).
: This indicator flashes when the counter is working.
: Used in combination with the FREQ. switch (3) to select
the output frequency.
: The device measures an external frequency when the
button is in the pressed-down position; an internal
frequency is measured when the button is not in the
pressed-down position. Press this button to attenuate the
signal by 20dB when measuring an external signal.
: The input terminal for the external signal.
down. If not, then the symmetry is adjustable and the
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