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741B/743B
Users Manual
No.
Name
,
, ,
10
and
keys
11
key
12
key
13
Numeric keypad
14
key
15
key
16
key
16
Table 3. Key Functions (cont.)
Adjust the display contrast.
Make choices from lists on the display.
Increase or decrease the source level when using the step feature.
In calculator mode, provide arithmetic functions (+ -
Terminates a numeric entry when setting a source value, or confirms your choice in a
list. In calculator mode, provides the equals arithmetic operator (=).
Toggles between resistance and continuity functions in MEASURE mode, or selects
the resistance function in SOURCE mode.
Used whenever a numeric entry is required.
Toggles between ac voltage and frequency functions in MEASURE mode, or selects
frequency output in SOURCE mode.
Selects the dc voltage function in MEASURE mode, or selects dc voltage in SOURCE
mode.
Turns the power on and off.
Description
).
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