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4-3

LEAK TEST MODEUSER HANDBOOK

4.3.1 Ticker (Geiger)

To enable / disable the audible Ticker (Geiger):

(in the PPM range)

• Press and hold the UP and DOWN buttons

simultaneously, as follows:

1. First press and hold - to enable visual only.

2. Second press and hold - to disable both audible and visual.

3. Third press and hold - to enable both audible and visual.

When the PPM autoranges to

LEL, the display changes to the

example shown in Fig. 4.4.

If displaying the maximum

reading, the display will be as

the example shown in Fig. 4.5.

Note: Maximum display only

for LEL and VOL.

To return the display to normal (live) operation:

• Press and hold LIVE .

Note: If the LH button is not pressed, the display will return to

normal after 30 seconds.

Fig. 4.5 Max Reading

Fig. 4.4 LEL Display

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