Vaisala HUMICAP HMP41 User's Guide download pdf (Page 70)

User's Guide ______________________________________________________________________

68 __________________________________________________________________ M211280EN-A

Connections and Selecting the Calibrator Function

1. To select the calibrator function from the HMI41, press the ON/OFF

button until you can see some text on the display. Then release the

ON/OFF button and within 1 ... 2 seconds, press both ENTER and MODE

buttons until the following display appears:

2. After a few seconds, the display changes to show the following:

set

°C

If the basic settings (display units, automatic power off function,

display quantities, and pressure) have to be changed, please refer to

the HMI41 Operating Manual. Otherwise, press ENTER repeatedly

until the following display appears:

set

To calibrate the HMT130, select number 3 with buttons ▲ (number

up) and ▼ (number down) and then press ENTER.

3. Next the baud rate appears on the display. Use the baud rate 19200

(= 19.2 on the HMI41 display) with the HMT130 series. If the

baud rate on the HMI41 display is not correct, change it with

buttons ▲ and ▼. When the baud rate is correct, press

ENTER, and

the serial communications settings display appears. The correct

settings for HMT130 series are: N, 8, 1. If needed, change the

settings with buttons ▲ and ▼ until they are correct, press ENTER,

and then ON/OFF.

These setting are stored in the HMI41 memory; when the HMI41 is

turned on again, it will automatically wake up as a calibrator for digital

transmitters with these serial line settings. After making these settings,

continue with the adjustment and follow the directions of the chosen

adjustment method.

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Vaisala HUMICAP HMP41 User's Guide Page 70