Hach 2100AN - Using a Computer (RS232 Operating Commands)

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SECTION 6, continued
6.4.2.4 Activating/Deactivating the Print Interval Feature
The print interval feature automatically prints a displayed reading (in any of the
eight measurement modes) at selected print intervals. After the new print
interval setting is accepted (see Section 6.4.2.3), the
PRINT key functions as a
toggle switch to activate and deactivate the print interval feature. Pressing the
PRINT key prints the first reading and activates the print interval feature. The
PRINT key annunciator lights without flashing to indicate that the print interval
feature is active.
Pressing the
PRINT key again deactivates the print interval feature. The print key
annunciator flashes to indicate that the print interval selected is inactive.
6.4.2.5 Print Contrast Setting
The contrast of the printer can be adjusted to print from light to dark.
1. Enter the setup mode by pressing the
SETUP key. The small LED mode
display will flash.
2. Select the number
04 using the edit keys. Press ENTER.
3. Use the up and down arrow keys to adjust the contrast (0 darkest to 7 lightest).
Press the
ENTER key to accept the new contrast setting.
4. Press
SETUP to exit the setup mode. Pressing the UNITS/EXIT key at any time
prior to accepting the new output setting exits the contrast setup mode and
leaves the original settings intact.
6.5 Using a Computer (RS232 Operating Commands)
A communication program such as Window Terminal or ProComm Plus is
recommended for computer operation. Configure the communication program to
1200 baud, 8 data bits, no parity, 1 stop bit (default settings).
The following RS232 command set is available when a computer is connected to
the 2100AN:
• Key in VA L (for value), and press enter on the computer keyboard. This action
recalls the current 2100AN measurement with the measurement units.
• Key in LST (for list), and press enter on the computer keyboard. This action
lists the calibration standards and coefficients.
• Key in DAT (for date), and press enter on the computer keyboard. This action
recalls the current date programmed into the 2100AN. Key in
DAT=MM/DD/YY to set a new date. Press enter on the computer keyboard to
accept the new date.
• Key in TIM (for time/24 hour format), and press enter on the computer
keyboard. This action recalls the current time programmed into the 2100AN.
Key in
TIM=HH:MM to set a new time. Press enter on the computer keyboard
to accept the new time.