HF scientific CLX Online Residual Chlorine Monitor - Manual (Page 23)

CLX (1/12) Page 18
REV 5.1
Alarm 1 Set Point: This prompt is used to select the set point for this alarm; this
is indicated by “S/P” shown on the lower row of the display. Select the desired
alarm level by using the  and  buttons. Once the desired set point has been
set, press the  button to accept it.
7.4.2 Alarm 2
Repeat the procedure listed in section 7.4.1 to set up the parameters for alarm 2. If
a selection was made to turn the alarm OFF, the next selection for the speed of
response RESP is shown.
Due to the cyclic nature of the CLX, relay chatter is not an issue. There is no
need for alarm delays or hysteresis.
7.5 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 5.2 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).
7.6 Extended Settings
The last 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.
If extended settings are set to OFF, pressing the

button will save all settings and the
CLX will automatically return to the normal AUTO mode of the instrument.