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LEAK TEST MODEUSER HANDBOOK
4.6 LEAK TEST TICKER (GEIGER) FUNCTION
The Ticker (Geiger) function is available on ammable ppm range.
The Ticker (Geiger) range at start-up is 0-1000 PPM.
For any subsequent PPM concentration, the Ticker (Geiger) audible
/ visual can be ‘backed off’ using the UP or DOWN buttons.
e.g. 600 PPM Ticker (Geiger) can be ‘backed off’ to enable tracing
to higher concentrations, in which case the Ticker (Geiger) range
becomes 600 to 1600 PPM etc, etc.
Note: The display range remains always as 0 to 2000 PPM.
The Ticker (Geiger) visual is such that the lights illuminate in pairs
according to Fig. 4.9 over any 1000 PPM range as explained above.
4.6.1 Select Audible / Visual Ticker (Geiger)
Combination Option
The Ticker (Geiger) function can be set for audible and visual
combination options as follows: Both ON; Audible OFF / Visual ON;
Both OFF; Both ON; etc.
To select required audible / visual combination option:
• Press and hold both UP and DOWN buttons.
• Repeat operation to cycle through combination options.
Fig. 4.9 PPM Level / LED Sequence
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