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Function and Features

On Recall Edit

2. Select edited files and press [Enter] for confirmation.

Recall List File=1

3. Operate Left/Right key and move to On. Press [Enter] key (The Trig lamp

that indicates VFD screen status is on). Press [Esc] key to exit setting.

LIST

On Recall Edit

4. Press [On/Off] key to open input and press [Trig] key (Triggering key)

List operation running.

3.19 Terminal function of rear board

Terminals on IT8800 rear board comprise remote sensor terminal, external

trigger terminal, external analog control terminal, voltage fault indication

terminal, external On/Off control terminal and current monitoring terminal.

Terminal schematic (as shown below):

Pin Pin function

Sense+, Sense- Remote sense terminal

EXT PRG+, EXT PRG- External analog control terminal

Negative input terminal for TRIG, ON and VF

TRIG Positive input terminal for trigger

ON Positive input terminal for external On/Off control

VF Positive input terminal for voltage fault indication

3.19.1 Remote sense compensation functions

Under CC, CV, CR or CW mode, if the load consumes large current, a large

voltage drop will be detected in connection line between tested instrument and

load terminal. To ensure measurement accuracy, a remote sense measurement

terminal is provided at load rear board to compensate voltage drop lost in wire.

Remote sense operation: SENSE (+) and SENSE (-) are remote input

terminals. To avoid voltage drop caused by long input wire of load, the remote

sense allows direct measurement at input terminal source so as to improve

measurement accuracy.

Before using the remote sense measurement function, the user must set the

load in remote sense measurement mode.

Setting procedures:

Press [Shift] + 6 to enter menu. Move Left/Right key and select Remote-Sense.

Press [Enter] key and select ON to start Sense function.

ITech IT8800 User Manual

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