8
External Trigger
Input
EXT TRIG
Accepts external trigger signals
(page 89). Only on 2 channel
models.
Input impedance:
1MΩ
Voltage input: ±15V(peak), EXT
trigger capacitance:16pF.
Math Key
MATH
M
Use the Math key to set and
configure math functions.
Reference Key
REF
R
Press the Reference key to set or
remove reference waveforms.
BUS Key
BUS
B
The Bus key is used for parallel
and serial bus (UART, I
2
C, SPI,
CAN, LIN) configuration.
Channel Inputs
CH1
Accepts input signals.
Input impedance: 1MΩ.
Capacitance: 16pF
CAT I 300V
USB Host Port
2V
TypeA, 1.1/2.0 compatible.
Used for USB memory.
Ground Terminal
2V
Accepts the DUT ground lead for
common ground.
Probe
Compensation
Outputs
2V
The probe compensation output is
used for probe compensation. It
also has an adjustable output
frequency.
By default this port outputs a
2Vpp, square wave signal at 1kHz
for probe compensation.
Power Switch
POWER
Used to turn the power on/off.
: ON
: OFF