Can I switch off the U1602A/U1604A Handheld Oscilloscope's audible key sound?

Yes, you have the option to switch on or off the audible key sound of the U1602A/U1604A Handheld Oscilloscope. Follow the steps below to turn the key sound on or off.

1. Press the User button and select the F4 softkey to access the Utility mode.
2. On page 4/4 of the Utility mode, press F1 to prompt a pull-up menu. Select Mute On to turn off the key sound or Mute Off to turn on the key sound.

Notes:
• Ensure that the scope's firmware version is 2.5.6.
• The Mute On/Off function is also applicable to the low battery alert. Turning on the mute function will switch off the key sound as well as the low battery alert.