Mute Mode Selection; Lighting Function; Data Holding Function; Battery Replacement - Sofamel Castellano BVD-1500 Manual De Instrucciones

10. Mute mode selection

The tester can enter mute mode when in standby or in use.
Press and hold the flashlight key for about 2 seconds, and
there will be a "beep" sound. If the mute symbol " " appears
on the LCD, it indicates that the tester has entered mute
mode. In this mode, except for the buzzer not sounding, all
functions are the same as normal mode. If you want to return
to normal mode (buzzer mode), press and hold the flashlight
key again for about 2 seconds, and there will be a "beep"
sound. The mute symbol " "on the LCD will disappear.

11. Lighting function

When using the tester in nighttime or dark environments, you
can utilize the lighting function; gently touch the flashlight button
on the panel with your fingers, and the illumination at the top will
turn on, facilitating your work. After using it, simply touch the
button again to turn off the lighting.

12. Data holding function

During the use of the tester, you can keep the test LED
indicator light on by lightly touching the HOLD button on the
tester, which is convenient for reading and recording, making
it easy to read and record, Tap the HOLD key again to release
the data holding and return to normal testing status.

13. Battery replacement

During the use of the tester, when the instrument displays the
symbol " ", the battery should be replaced immediately.
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