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[21] INTERLOCK
If the line between these terminals is opened, the tester enters the PROTECTION
status and disables the execution of a test. "INTER LOCK" flashes on the LCD.
[22] GPIB
Connector used to connect a GPIB cable in order to remotely control the tester via a
PC using the GPIB interface.
[23] SIGNAL I/O
25-pin D-SUB connector.
Used to start and end a test by remote control, and to check the status of the tester
using a signal.
For details, see "6.2 SIGNAL I/O Connector".
[24] SCANNER
Connector used to connect the optional high-voltage scanner.
[25] FUSE
Fuse holder. Contains a fuse for AC input.
WARNING
• Improper handling of the fuse holder may lead to electric shock. Be sure to
follow the instructions given in "2.4 Checking the Line Voltage and Fuse".
[26] LINE VOLTAGE RANGE
Switch for selecting an input-voltage range.
WARNING
• Before turning on the POWER switch, be sure to confirm that the voltage
to be used is consistent with the voltage range selected using the LINE
VOLTAGE RANGE switch. For details, see "2.4 Checking the Line Voltage
and Fuse".
[27] AC LINE
Power-cord connector used to supply power to the tester. Use the power cord pro-
vided with the product.
WARNING
• Improper handling of this connector may lead to electric shock. Be sure to
follow the instructions given in "2.5 Connecting the AC Power Cord".
TOS9213S/ TOS9213AS
4-7
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