Connect an electrometer to the switch card output and measure the cur rent.
将一个静电计连接到开关卡输出并测量电流。
Section 3 addresses switch card and mainframe considerations.
第3章着重介绍了开关卡和主机。
Refer to the switch card's operating manual for the specific procedures for that card.
关于开关卡的特定操作程序，请参阅开关卡的使用手册。
Section 3 provides a detailed description of switch card and mainframe specifications.
第3章详细介绍开关卡和主机的技术指标。
Install the switch card into the mainframe and allow the instruments to warm up.
将开关卡安装到主机上，并使仪器预热。
请重设卡上的开关。
请重设卡上的开关。
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