Amprobe DM-111S Current-Data-Logger - Manual (Page 38)

DMIIIS
EN - 36
7. STARTING A RECORDING
As you can read in the paragraph 5.3 a recording can be started manually or
automatically. Therefore, after setting all the parameters and leaving the Menu, the
instrument will start to record:
 MANUALLY:
the recording will start when Instrument’s time reaches the
“00” seconds value after pressing START/STOP.
 AUTOMATICALLY: If the operator has pressed START/STOP the instrument will
remain in stand-by until the date and time previously set, then
the recording will start. While
if the operator doesn’t press
START/STOP the recording will never start.
CAUTION
For recordings ALWAYS use the external power supply even the
instrument allows the operator to perform a recording using internal
batteries.
If you press Start a recording without the external power supply the instrument will display
a warning message
“No ext supply”. Press START key again to run the recording or
press ESC to quit.
If during a recording the external power supply is de-energized, the instrument will
continue the recording using the internal battery power until the batteries are exhausted
(the data stored until the definitive turning off won’t get lost). For this we recommend you
ALWAYS insert a new set of batteries before a long recording.
The instrument uses sophisticated algorithms to prolong the battery life. Particularly:
 The instrument switches OFF the backlight Automatically after 5 seconds.
 If the instrument is just displaying in real time (and the external power supply is not
connected), after about 5 minutes from the last key pressure or switch rotation the
instrument turns off automatically ("AUTOPOWER OFF" function).
 If the instrument is recording or is measuring energy (and the external power supply is
not connected), after about 5 minutes from the last key pressure or switch rotation the
instrument starts a special procedure to save the batteries ("ECONOMY MODE"): the
instrument keeps recording but the display is turned off.
Before starting a recording the operator should first evaluate the state of the equipment,
decide what to record and set the instrument accordingly.
In order to facilitate this task we have decided to supply the instrument pre-set with a
general configuration, which should fit most cases.