English
Relative value
Relative mode applies to all function except frequency/duty cycle. It subtracts a stored value from
the present value. For instance, if the stored value is 20 V. Push REL button and the reading will
be 0 V. If the voltage increase to 23 V the reading will be 3 V. Displays shows
when relative
function is selected.
Data outputting
1. Push Rel button for enter or exit USB mode.
2. Connect USB cable and install software to your PC.
If HOLD or MAX/MIN mode is on will the meter display corresponding readings but the
interface output will be the random value of the measurement.
Replacing the Battery (See figure 6)
1. Disconnect the connection between the testing leads and the circuit under test when battery
indicator appears on the display.
2. Turn the Meter to OFF position.
3. Remove the screw, and separate the case bottom from the case top.
4. Replace the battery with a new 9V battery type 6F22.
5. Rejoin the case bottom and case top, and reinstall the screw.
Replace the fuses (See figure 6)
1. Disconnect the connection between the testing leads and the circuit under test.
2. Turn the Meter to OFF position.
3. Remove the screw and separate the case bottom from the case top.
4. Remove the fuse by gently prying one end loose, and then take out the fuse from its bracket.
5. There are 2 different fuses. Replace only fuses with the identical type and specification as
follows. 1 A, 240V, fast type, 6x25mm. 10A 240V fast type, 6x25 mm.
6. Rejoin the case bottom and case top, and reinstall the screw. Replacement of the fuses is
seldom required. Burning of a fuse always results from improper operation.
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