Aquametrix AM-TBR Turbidimeter User Manual - Manual (Page 27)

22
The current selected number of seconds will be shown. Select the desired delay off time for this
alarm using the and buttons. Once the desired delay time has been set, press the ↵ button
to accept it. After the settings for alarm 1 have been completed, prompts will allow for the set up
of the information on alarm #2.
7.5.2. Alarm 2
Repeat the procedure listed in section 7.5.1 to set up the parameters for alarm 2. If one of the
other functionalities is selected, a prompt to set the delay times and the set point, as with Alarm
#1, will be displayed.
7.6. Offset Calibration
Refer to section 6 for more information on this selection.
7.7. Enabling the Security Access
The instrument is equipped with a security access. If this option is turned on, the user is required
to input the access code into the instrument to get to any mode other than AUTO. The only code
is 333. This code may not be changed. See section 4.2 for more information on this security
feature. The security key icon will be visible and flashing on the display whenever the access
option is selected using the or buttons. (On or OFF).
7.8. Extended Settings
The last few settings are grouped together to prevent them from being adjusted by accident. To
gain access to the extended settings, select On using the or buttons and press the ↵
button.
7.9. Speed of Response
The speed of response for both displayed and output values of NTU can be adjusted in this
menu. The default setting is 10, however 100 response speeds are available. Although the
displayed number is a relative speed, the approximate response time, in seconds, is the
displayed number multiplied by 5. Select the desired speed of response using the and