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5.0 Handgun Displays and Controls:
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The following controls are found on the hand unit:
5.1 Analogue gauge: displays the response to leaks in %, rather than an absolute
value (displayed on the touch-screen), and shows the leak rate in the form of a
percentage of the alarm value. This is clearer and easier for an operator.
5.2 Handgun Six LEDs indicate status.
COLOUR No DESCRIPTION
Green
1
READY TO MEASURE. Normal operation. If ON, you may
confidently measure. This is OFF whenever the instrument is
in standby or programming mode, error condition, or the
actual reading is above 20% of the alarm level.
Red
2
NOT READY. This light is on whenever the instrument is in
the programming mode, or an error condition exists. It
flashes during standby mode.
Green
3
SPECIAL. Desensitise functions, flashes when one of them
is active.
Yellow
4
SIGNAL. Switches on whenever a reading above 20% alarm
level was taken. Reset by STORE or CLEAR key.
Red
5
ALARM. This light is on as long as a reading equal to or
above the alarm level is taken.
Yellow
6
MESSAGE. Prompts the operator to read a message that is
present on the LCD screen.