GW Instek GDS-2000A series User Manual - Manual (Page 22)

GDS-2000A Series User Manual
22
External Trigger
Input EXT TRIG Accepts external trigger signals
(page 144).
Input impedance: 1MΩ
Voltage input: ±15V(peak), EXT
trigger capacitance:16pF.
Math Key
M
MATH Use the math key to set and
configure math functions.
Reference Key
R
REF Press the Reference key to set or
remove reference waveforms.
BUS Key
B
BUS The Bus key is used for parallel
and serial bus (UART, I
2 C and SPI)
configuration. Serial bus and
parallel bus functionality is
included with the Logic Analyzer
options (DS2-8LA/DS2-16LA).
Channel Inputs CH1 Accepts input signals.
Input impedance: 1MΩ.
USB Host Port Demo TypeA, 1.1/2.0 compatible. Used
for data transfer.
Ground Terminal
Demo
Accepts the DUT ground lead for
common ground.