Deleting The Memory - VOLTCRAFT VBM-100 Notice D'emploi

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- Establish a connection to your computer via the optional data cable and run the transfer program. See
chapter "RS-232 interface" for a description of the interface and the data packet.
- Switch on the meter ("POWER" button) and wait until initialisation is complete.
- Hold down the "SEND" button (5) for about 2 seconds. "232" flashes on the display.
- Press the "SEND" button (5) to start data transfer. The display counts down from the highest value of
the memory position to 0. Press the "SEND" button to restart data transfer at any time.
- Press the "ESC" button (3) to exit this mode with a triple beep and return to normal measuring mode.

Deleting the memory

- Switch off the meter.
- Hold down buttons "HOLD" (3) and "REC" (7) and press the "POWER" button (4) to switch on the
device.
- Let go of all three buttons when you hear the beep. The current time interval is flashing. You are now
in programming mode.
- To delete the memory, hold down the "REC" button (7) for about 5 seconds. The delete process is con-
firmed with a long, continuous tone. All data is now deleted, "0" is displayed.
- Switch off the meter to exit the setup menu.
RS-232 interface
The meter is equipped with a serial interface (9) to exchange data with a computer. It is located under a
cover on the right hand side of the meter. Open the cover with a pointed object. The interface has the
shape of a 3.5 mm mono jack plug socket and requires a specific data cable which is optionally avail-
able.
The data cable has the following assignment:
Jack plug 3.5 mm mono
Centre contact
External contact
26
9-pole D-sub PC connector
Pin 4
Pin 2
Between pin 2 and pin 5 a resistance of 2.2 kOhm is required.

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