Low Battery Indication - Extech Instruments EX542 User Manual

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PC WIRELESS COMMUNICATION:
1.
Install and launch the pc software
2.
Press and Hold the backlight button for two seconds to enter RF wireless transmit mode.
3.
The RF icon
4.
When communication is established, the RF icon on the display will blink and the led indicator
on the receiver will also blink.
5.
Once per second, the data will be displayed on the pc screen, plotted and inserted into a list.
6.
Hold the backlight button for two seconds to exit the RF wireless transmit mode
SENDING STORED DATA TO THE PC
1.
Launch the pc software
2.
Press the STORE button for two seconds to enter into data RECALL function.
3.
Press the HOLD button for two seconds. The RF transmit icon will flash while the stored data
sent sent to the pc
SETUP
1.
Press and Hold the RANGE/SETUP button for two seconds to enter the SET function. The first
of five settable functions will appear.
2.
Press the RANGE button to step through the functions
A: Upper limit buzzer alarm
B: Lower limit buzzer alarm
C: Auto power off time
D: Button beeper
E: Back light time
Use the +, - ◄, and ◄ buttons to select and change conditions and digits.
3.
Press the RANGE/SETUP button until the meter returns to the normal display to exit this mode.
AC+DC
In the measuring modes VAC, mV(AC), 10A(AC), mA(AC) and uA(AC), press the EXIT button for 2
seconds to enter into AC+DC testing. The precision is the same as in the AC measure modes. The
LCD shows AC+DC icon. Press the EXIT button to exit the mode.

LOW BATTERY INDICATION

When the
icon appears in the display, the battery should be replaced
will appear on the display.
OFF or Value
OFF or Value
OFF, 10 to 30 sec
ON/OFF
OFF, 10 to 30 sec
12
EX542-en-GB_v1.5 06/15

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