2.1 Instrument Labels and Functions
22
Quick Start Manual
Voltage Input terminals
Connect the supplied 9438-02 VOLTAGE CORD.
❖
3.5 "Connecting the Voltage Cords" (page 33)
CH1 CH2 CH3 CH4
Top Panel
CH1 CH2 CH3 CH4
Black Red BlackYellow Black Blue Black Gray
Current Input terminals
Connect an optional clamp-on sensor.
❖
3.7 "Using a Clamp-On Sensor (Option)" (page 37)
Left Panel
KEY LOCK switch
Sliding this switch in the di-
rection of the arrow disables
all key operation except the
POWER switch.
POWER switch
Turns the instrument on
and off.
Power OFF
Power ON
❖ 3.8 "Turning the Power
On/Off" (page 42)
AC Adapter socket
The supplied 9458 AC
ADAPTER connects
here.
❖
3.4 "Connecting the AC
Adapter" (page 32)
External Event Output
terminal (EVENT OUT)
A signal is output each time the
instrument detects an event.
GND terminal
This is the signal
ground terminal for
the Event Input/Out-
put terminals.
External Event Input
terminal (EVENT IN)
An external input signal
can serve as an event
trigger.
❖
7.4 "Using the External
Control Terminals"
(page 124)
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