Checkline FD-50R - Manual (Page 5)

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4.0 MEASURING M ODE
4.1 Changing units
1. Momentarily depress the [mode] button to change the
unit.
Note: except for “mm only” instruments.
4.2 Reset (recall preset)
1. Momentarily depress the [set] button.
The preset value of the active reference is validated
as the new zero point (eg 0.000 mm).
4.3 Reference / HOLD mode
Hold measurement, transmit measured value
1. Place the instrument in reference mode by pressing
[mode] for more than 1 second
2. Momentarily depress the [set] button.
Note: The displayed value is automatically transmitted
to the OPTO-RS232 interface. Hold is released if the
connector is inserted with the LED active or if the
peripheral equipment makes a transmission request
(see also operating manual for OPTO-RS connector).
Change references
1. Place the instrument in reference mode by pressing
[mode] for more than 1 second.
2. Momentarily depress the [mode] button to change
the active reference.
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6.0 E RROR M ESSAGES ON THE DISPLAY
If a measuring error is detected, the instrument
displays the 'Err0' message
6.1 Disable error message
1. Press [set] to restart measurement, or
acknowledge by means of an OPTO-RS
transmission request.
Important: After diabling the error message, check the measurement reference.