Manual

3. Operation
3.1 General operation – all models
3.1.1. Switching on
Turn the rotary knob away from the off position.
The instrument will perform internal self tests then display the appropriate test screen, depending on the position of
the function knobs.
3.1.2. Switching off
Turn the primary function knob to the OFF position.
The instrument will automatically turn itself off after 20 minutes* of inactivity. Press any button or turn either of the
rotary knobs to turn back on.
* 2 minute option in Setup, refer to section 10.
3.1.3. Backlight
Press the backlight button.
The backlight will operate for 20 seconds.
3.1.4. Test buttons
Test buttons are duplicated on the left and right. Both buttons perform the same function except, when the
is
displayed, in this case the right hand buttons perform a scrolling function. The left RED button also performs storage
and lock functions on the MFT1731.
3.1.5. Test button lock
To lock the test button, hold down either of the RED test lock buttons with the
symbol, whilst holding down the
test button. If is displayed, the right hand buttons perform a scrolling function.
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Operation