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M631 Precision RTD Simulator
MEATEST
9
Operation manual
5
OPER (Operate key)
OPER key connects / disconnects selected value to the output terminals. Connected output terminals
are indicated by the lit LED in the key.
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SHORT (Short key)
Active SHORT key (LED in the key is ON) replaces the main value with the short circuit. Also the
short circuit must be connected to the output terminals by the OPER key.
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Cursor keys
Using these keys, the cursor can be controlled within allowed limits on the display. The keyboard
includes two buttons (◄, ►) which allow the cursor to be moved to the left or right. When a list is
displayed, (◄, ►) buttons skip through pages. Buttons (▲,▼) allow the user to increase or decrease
the number at the cursor position or move across items in a list.
The central SELECT key is used to select value you want to change (like TAB key).
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Numeric keyboard
The keyboard allows the entry of numeric values on the display. ENTER button is used to confirm the
selection. CANCEL button can be used to cancel the entry.
Colors on display
Common rules are used for applied color of labels and values.
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Red color
- displayed value is measured by the instrument. This color isn’t used in all versions.
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Blue color
- parameters or values, which can be set-up or modified directly from front panel
keyboard or via Main menu.
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Black color
- fix values, labels, notes, parameters which cannot be modified and for other fix text
with general information purpose.
Meaning of softkeys is shown on the right side of display. If there is no description next to the softkey,
the softkey is not active in selected function.
3.2.
Rear panel
There are located power cord socket, power line fuse, power line voltage selector 115/230V,
interface connectors RS232 and optionally LAN, USB and IEEE488 on the rear panel.
Figure 4 Rear panel
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