USER
MANUAL
25
51285-006
Indicators
The following indicators are shown on the display on the top face of the T4:
0
8
:
1
7
1
2
:
0
7
7
2
%
ψ
1
0
1
3
M
Figure 6: T4 Amplifier display indicators
The symbols have the following meaning:
Symbol
Description
Clock:
Represents the time of day in HH:MM format.
When the T4 is connected to the PC, the clock is synchronised to the PC’s clock.
Stopwatch Indicator:
Represents the elapsed recording time in HH:MM format (--:-- if not
recording).
Battery capacity:
% or ‘USB’ if external power applied
Micro-SD card:
Micro-SD card storage capacity in Mbytes, xxxxM (remaining capacity if
recording)
If the internal Bluetooth option is fitted, this indicates that it is on. Pressing the pushbutton 4
times within 4 seconds toggles the setting to off, indicated with a
b
. If the Bluetooth option is
not fitted, nothing is displayed.
If the internal WiFi option is fitted, this indicates that it is on. Pressing the pushbutton 5 times within
4 seconds toggles the setting to off, indicated with a
w
. If the WiFi option is not fitted, nothing is
displayed.
ψ
Whenever a wireless connection is made the
ψ
symbol is displayed
Recording in progress
R
Recording in progress
L
Recording and Low memory card capacity remaining (< 8 minutes) during recording
(accompanied by auditory beep every 30 seconds)
*
When the battery is low, there is an auditory beep at 1Hz rate. There is no additional information
displayed.
3.5
Shutdown of the system
At the completion of a study proceed as follows to shut down the system:
y
Stop the recording by pressing the ‘Stop Rec’ button
y
Exit the Trackit program.
y
Shut down Windows.
y
Switch off the PC and disconnect the mains supply.
After the recording is finished, the Micro-SD memory card is removed for reading in a PC.
Connections and Usage
Содержание trackit T4
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