User guide
14
Operation
Remote Control Functions
In addition to the functions on the front panel, the handheld remote also 
offers the following functions:
MONO:  Toggles the VSi75 between Stereo and Mono mode.  “STEREO” 
or “MONO” are displayed in the bottom right of the LCD display, indicating 
mode.
1-5:  Provides direct access to any of the ve single-ended inputs on the 
VSi75.
DISP UP/DISP DOWN: Adjust the brightness of the backlighting on the 
LCD display. Fifteen levels of illumination plus off are available. When off 
is selected, the display will illuminate for ve seconds, after which there will 
be only a green dot in the middle of the screen. Pressing any button on the 
front panel or remote will reactivate the screen for another ve seconds.
HOURS: Toggles between main display screen and vacuum tube hours 
meter. The hours meter can be reset to 0 after replacing the vacuum tubes; 
to do so, remove the four screws on the top panel, and take the panel off.  
At the front left of the circuit board, there is a small black “RESET” switch.  
Press and hold this switch to reset the meter.










