Array electronic 3750A, Manual

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Chapter I General Introduction
ARRAY
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1.3 Rear Panel
The connecting terminals on the rear panel of 375XA series Eload include: the input terminals
(INPUT+ and INPUT-) and voltage test terminals (SENSE+SENSE-), as shown in follows
1. RS232 interface
2. GPIB interface (optional)
3. USB interface
4. Input terminal
5. Voltage test terminal
6. Power input socket & fuse
7. Air outlet
8. Ground terminal: to connect the earth during rack system installation
1.4 Keypad Function
There are four types of keys: function keys, number keys, alternative function keys and direction
keys on the keypad. On the alternative function compound key, the black fond is the first function
and the blue fond is the alternative function. For example, CV is the first function of
key and +CV is the alternative function. If the alternative function is needed to be used, press
key first and then press the corresponding compound key.