Magnum Dynalab MD-307 - Manual (Page 11)

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CONTROL/DISPLAY FUNCTIONS
(Numbers correspond with product diagram on page 8)
1. POWER BUTTON-Turns on main power
2. MUTE –Turns audio output off, or back on
3. INPUT - Sequentially moves through the inputs on the rear of the MD 307
4. VOLUME CONTROL – The digitally controlled precision volume control allows you
to vary the volume from 0-99. Normal operating range is 40-85. Note that it is
not a linear volume control – therefore volume changes will vary more as you turn
the control at higher levels than at lower levels. The volume control has been
calibrated so that the volume level can not exceed the safe operating parameters
of the system