Epson TM-TM88V-i - Adjusting the Buzzer Volume

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5
Peel off the sticker on the other side of the affixing tape, and attach and fix
the optional external buzzer to the printer case.
6
Turn on the product.
7
When and how to beep can be set by TM-T88V Utility or the product's
customized value. (See "Setting the Memory Switches (Customized Value)"
on page 53)
Adjusting the Buzzer Volume
Turn the volume adjustment knob to adjust the buzzer volume.
 To use this product, be sure to enable the optional external buzzer with the
product setting. For the details on the setting, see "Setting the Memory Switches
(Customized Value)" on page 53.
 When the optional external buzzer is enabled with the product setting, the drawer
cannot be driven.
Printer case
Volume adjustment knob
High
Low