Page 4
5.0
Handgun Displays and Controls:
%
Alarm
O
F
F
90
80
70
60
50
40
30
20
10
0
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.
