Question: Can the internal speaker be turned off at all times?
Answer: Yes. Use the following procedure to turn the internal speaker “OFF.”
- Press the [MENU] button.
- Use the  knob or  knob to select “SYSTEM,” and then press the [ENTER] button.
- Use  knob to select “Speaker Sw,” and use  knob to select “OFF.”
- Press the [WRITE] button to save the setting.