Owner's manual
Table Of Contents
- DMT345/346 USER'S GUIDE
- TABLE OF CONTENTS
- GENERAL INFORMATION
- PRODUCT OVERVIEW
- INSTALLATION
- OPERATION
- Getting Started
- Display/Keypad
- MI70 Link Program for Data Handling
- Serial Line Communication
- LAN Communication
- Communicating with a Transmitter in POLL Mode
- General Settings
- Serial Output Settings
- Data Recording
- Analog Output Settings
- Operation of Relays
- Sensor Functions
- MODBUS
- MAINTENANCE
- CALIBRATION AND ADJUSTMENT
- TECHNICAL DATA
- EXAMPLE INSTALLATION OF DMT346
- CALCULATION FORMULAS
- MODBUS REFERENCE
Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 69
Display Contrast Setting
Display contrast is automatically adjusted based on the ambient
temperature. However, depending on the installation location and
viewing direction, it may be necessary to fine-tune the contrast manually.
Using Display/Keypad
1. Open the Main Menu by pressing any of the ▲▼◄► arrow
buttons.
2. Select ►Display, press the ►arrow button.
3. Select Contrast, press the ADJUST button.
4. Adjust the contrast by pressing the ◄► arrow buttons.
5. Press OK and EXIT to return to the basic display.
Using Serial Line
Use the serial line command CON to view or set the display contrast.
CON [xxx]<cr>
where
xxx
=
Contrast value for display. Recommended range -9 ... 9,
default 0. Negative values make screen lighter, positive
values make it darker.
Example (view current contrast setting):
>con
Contrast : 0
>
Example (set contrast to 5):
>con 5
Contrast : 5
>
Keypad Lock (Keyguard)
This function locks the keypad and prevents unintentional key presses.
1. Keep pressing the left-hand button for 4 seconds to lock the
keypad (at any display).
2. To unlock the keypad, press the OPEN button for 4 seconds.