Vanguard MCCB-250 User Manual download pdf (Page 10)

MCCB-250 USER’S MANUAL REV 2

2.2 MCCB-250 Current Output Control

The MCCB-250 current source output is controlled by the [UP

ARROW]

and [DOWN ARROW] keys (item 13 in Figure 1). Three

control modes are available: ON+TMR, OFF, and MOMT.

The OFF mode indicates that both the current source output and

timer are off.

The MOMT mode turns on the current source momentarily. To turn on the current source,

press and hold the [DOWN ARROW] key. The LED indicator next to the “MOMT” label will

turn on indicating that the MCCB-250 current source is on. The output current will also be

displayed on the LCD screen. The MCCB-250 current output can now be set by turning the

[CURRENT CONTROL] knob. Release the [DOWN ARROW] key to turn off the current

source.

The ON+TMR mode turns on the MCCB-250 current source and timer. This initiates a test and is

stopped by using the [TIMER STOP] inputs. The test results will be displayed on the LCD

screen. The test can also be terminated by pressing the [DOWN ARROW] key.

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Vanguard MCCB-250 User Manual Page 10