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4.2 RS-232C Communications
Important Notes:
• Always turn the power switch off when making connections. To avoid damage to the Shoes and
Wrist Strap Tester 747, do not apply more than the rated voltage and current to the OUTPUT
connector.
• To avoid damage to the unit, do not short or input voltage to the RS-232C terminal.
• When connecting the RS-232C cable, always secure with the thumb screws.
• To use the communication function, the unit must be operating with the AC adapter connected.
• In order to avoid electric shock, turn off the power to all devices before plugging in or unplugging
any of the interface connectors.
Test results can be transferred to a PC by RS-232C communications.
Communications can begin when the Shoes and Wrist Strap Tester 747 is
operating or in stand-by state. To activate the stand-by state, place a finger on the
touch panel while turning the power switch on, then wait ten seconds.
Specifications
The RS232-C settings of the Shoes and Wrist Strap Tester 747 are as follows.
These setting cannot be changed, so the serial port settings on the PC must be set
to match.
Transmission speed
4800 bps
Data length 8 bits
Stop bits
1 bit
Parity bit None
Handshaking None (no X-flow or hardware)
Delimeters Receive: CR+LF, CP. Transmit: CR+LF
Connector 9-pin D-sub male, accepts M2.6 screws
To reduce the risks associated with hazardous voltage, which, if not avoided, may result in minor or
moderate injury and/or property damage:
• Always replace battery cover before using the 3M
™
Shoes and Wrist Strap Tester.
CAUTION