NARDA LR-01, User Manual

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Installation and use 2-5
2.7 LR-01 on, Led status,
Manual log button
and
Buzzer
Turn on LR-01 by pushing the red POWER button for a short while.
The Data LED will show the following sequence, while the instrument
performs a diagnostic test to check everything is working properly: briefly
flash
green , then goes off , then lights up red and then becomes orange ;
after that it begins flashing green , to indicate the instrument is ready to
Log or communicate.
Afterwards the led will provide the following information:
TABLE 2-1 Led status
LED LED flashing
speed
LED
color
Description
DATA
Medium speed Red Probe not detected
Solid Orange Loading probe
Medium speed Green Probe loaded and read with a rate equal to the flashing period
- Off Not expected with unit turned on
POWER
Medium speed Green Powered by USB with battery charge completed
Medium speed Orange Powered by USB with battery under charging
Medium speed Red Powered by internal battery, which is almost discharged
- Off Powered by internal battery, sufficiently charged
VISUAL
ALARM
Solid
Red
Alarm or warning threshold exceeded. If the log is in progress,
the LED goes off for one second during the log.
If the Log can be activated (AQ_ command with a rate other
than 0), prolonged pressure (> 5 s) of the button recognized with
the button pressed and not released (Log activated but not
started yet).
Low speed
If the Log can be activated (AQ_ command with a rate other
than 0), press of the button before the actual recognition of the
start of the log (pressing the button for less than 5 s).
Fast speed
Button pressed when the Logger is disabled and it is not
possible to activate it (AQ_ command with rate equal to 0).
Single flash
Log acquisition, or (also accompanied by a short audible alarm)
Logger start with deletion of the Logs previously saved in
memory.
Flashing
(with rate dictated
by the probe
reading speed)
If the Log is in progress with acquisition not based on time
(AQ_-1) and the alarm or warning threshold is continuously
exceeded, the LED turns on during the log (and sound alarm
always on).
Pressing the POWER down button for more than 4 seconds forces the
hardware of the apparatus to shut down. Then, it is necessary to wait
some seconds before switching it on again.
LR-01 automatically turns OFF when after 30 min. the fiber optic has
been disconnected or the communication with PC is not established.
The fiber optic of the LR-01 can be disconnected and reconnected
while in use. The communication will be restarted automatically.