1、The DDS signal generator module has a signal output function, and the DDS output signal can be selected through the UP and DOWN buttons. 2、Step frequency setting function, the step frequency can be set through the internal step function, the step frequency value: 1, 10, 100, 1000, 10000Hz. 3、With high‑speed square waving (HS) output function, the amplitude and offset can be adjusted through the knob. The offset is: 0.5pp‑5Vpp 4、Small size, easy to carry and store, convenient to use and with good performance 5、Using high-quality materials, strong and durable, has a long service life 1 x DDS Signal Generator Module Item Type: DDS Signal Generator ModuleProduct Model: LTDZ_M16_1602 low frequency DDS generator.Display: 1602 liquid crystal display.Working Voltage: 9V.Usage and Functional Characteristics: 1. Introduction To Key Functions: UP: Output waveform selectionDOWN: Output waveform selectionLEFT: Output frequency-RIGHT: Output frequency+STOP/RUN: Stop/start output 2. Function Introduction: Signal output function.Step frequency setting function.High-speed square waving (HS) output function. 3. How To Use: 1. Use the UP and DOWN buttons to select the DDS output signal (sine waving, square waving, sawtooth waving, reverse sawtooth waving, triangle waving, noise waving and high-speed square waving signal) or frequency setting step value (step) or High-speed square waving (HS) function. 2. Set The Output Frequency Through LEFT And RIGHT, And Set the step frequency through the internal step function. The step frequency value: 1, 10, 100, 1000, 10000 Hz; 3. High-speed Frequency (HS) Square Waving: 1MHZ/2MHZ/4MHZ/8MHZ signal. 4. Adjust The Amplitude And Offset Through The Knob. Offset: 0.5pp-5Vpp; Amplitude: 0.5Vpp-14Vpp; Output Impedance: 20-200 ohms 5. Automatically restore the last used configuration after power on.