Audiotel International Limited 2-400-0001 ユーザーズマニュアル
16
AUDIOTEL INTERNATIONAL MN400872 Issue 1 (08/04)
D
ETECT
IV User Manual
AUDIOTEL INTERNATIONAL MN400872 Issue 1 (08/04)
17
When the level for any of the transmitter detectors exceeds the corresponding alarm threshold
the relevant bar graph will turn RED for approx. 5 seconds, this is accompanied by the alarm icon
for the relevant detector also being displayed in the top right hand corner of the screen also for
approx. 5 seconds.
the relevant bar graph will turn RED for approx. 5 seconds, this is accompanied by the alarm icon
for the relevant detector also being displayed in the top right hand corner of the screen also for
approx. 5 seconds.
If a multimedia card has been installed (see under Multi-media memory card in the Getting Started
part of this manual ) a time and date stamped entry of the alarm is also automatically registered in
the EVENT LOG (see the Event Log section later in this manual for further details).
part of this manual ) a time and date stamped entry of the alarm is also automatically registered in
the EVENT LOG (see the Event Log section later in this manual for further details).
NLJD Display
The NLJD bar graph shows two bars. These indicate the return signals received at the 2nd and
3rd harmonic frequencies.
3rd harmonic frequencies.
The
red
bar indicates the 2nd harmonic signal and
the
green
bar shows the 3rd harmonic signal. The relative strengths of these two returns is used
as an indicator of the type of Non-Linear junction being detected.
Enabling / Disabling the NLJD
The TRIGGER control can be used to enable / disable the NLJD in both the DETECT screen and
the NLJD IDENTIFY screen.
the NLJD IDENTIFY screen.
To enable / disable the NLJD detector
Press the Trig control on the keypad.
When the NLJD is disabled the NLJD bar graph is ‘greyed’ out.
signal below threshold:
Bar remains Green.
Bar remains Green.
signal above threshold:
Bar turns Red and relevant
alarm icon displayed.
Bar turns Red and relevant
alarm icon displayed.