Heath Consultants GT Series - Manual (Page 94)

9-4
USER HANDBOOK
9.5.2 Pump
To switch pump ON and OFF:
• Press the RH button
9.5.3 Zero
To zero the ppm range
• Press and hold the RH button .
Note: The pump must be switched ON to zero the ppm
range.
9.5.4 Flow Fault
If flow fault is detected, the pump stops automatically.
The instrument should be checked for water ingress or
blockage.
To clear the flow fault:
(Once the blockage has been cleared):
• Press the RH button .
9.5.5 Ticker (Geiger) On / Off
To enable / disable the Geiger (Ticker):
• Press and hold the UP and DOWN buttons
simultaneously, as follows: