Mastech MAS345 - On;Off Switch; R-H Button

-Diode testing
-Transistor testing
-Audible continuity testing
2.1 ON/OFF SWITCH
A push − push switch is used to turn the meter on or off. When the switch is push the
beeper will sound.
2.2 DC/AC OR Ω /
BUTTON
This button is used to select DCV or ACV on voltage range, DCA or ACA on current
range, Ω or
on Ω / range. When the button is push the beeper will sound.
2.3 R-H BUTTON
In auto-range, press this button to select manual range and “R-H” symbol will appear on
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