Set Baud Rate; Lcd Backlight - Hanna Instruments HI 83749 Instruction Manual

12.9. SET BAUD RATE

The HI83749
becomes inactive. To successfully communicate with the PC, the same baud rate must be selected on
the instrument and on the PC application. The available baud rates are 1200, 2400, 4800 and 9600.
• To set the baud rate, press CAL/RCL when the "Set baud rate" panel is displayed. The parameter
value and the CFM tag will start blinking.
• Press the UP or DOWN keys to select the new baud rate value.
• Press LOG/CFM to save the change. The new selected baud rate will be displayed. Alternatively,
press CAL/RCL to exit without saving the changes.

12.10. LCD BACKLIGHT

The LCD can be illuminated to allow the user to see the readings even in dark environments.
To turn on or off the backlight, press the ON/OFF key. The backlight will automatically shut-off after
25 seconds of non-use to save the battery life.
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has a RS232 and a USB link. When the USB connection is used, the RS232 connection