Operation, Configure the system settings, Figure 11 – Hach-Lange SD900 Basic User Manual User Manual
Page 17: Use the menu key to set up sampling programs

Figure 11 Controller keypad
1 POWER
5 MENU
9 STATUS
2 VOLUME CALIBRATION
6 ENTER
10 RUN/HALT PROGRAM
3 STOP
7 BACK
11 MANUAL OPERATION
4 LED
8 ARROW KEYS
Operation
Configure the system settings
1. Push MENU.
2. Go to SYSTEM SETUP.
3. Change the applicable options.
Option
Description
Time/date setup
Set the time (24-hour format) and date.
Communication
Select the baud rate (19200, 38400, 57600 or 115200) and protocol (Modbus RTU or
ASCII) for the serial port.
Setup base
Select the sampler base (All weather refrigerated, refrigerated, portable standard or
portable compact).
Language
Select the language of the controller.
Liq sensor cal
Calibrate the liquid sensor or set to default.
Set contrast
Adjust the contrast of the LCD screen.
Pump duty cycle Change the pump duty cycle. Range: 50% to 100% (default: 100%).
Password setup
Set up a password to control access to the program setup and the system setup menus.
Select ENABLE>YES to set a new password or ENABLE>NO to activate the current
password. If the password is set for the first time, use 900900 as the current password.
English 17