Opus One
Increase Bias Press the plus (+) button or the (++) to increase the bias current. The (+)
button has a bias increment of approximately 1% of the present bias setting, while the
(++) button has a bias increment of approximately 10%. Holding either button will rapidly
increase the bias.
Decrease Bias Press the minus (-) button or the (- - ) to decrease the bias current. These buttons
decrease the bias at the same increment the plus buttons increase the bias. Holding either
button will rapidly decrease the bias.
Save Bias When all channels are turned on with their respective biases (at the same time), press
the Save button. This will store all of the biases to their respective channels.
Load Bias Press the Load button to load previously stored biases from using the Save button.
Keyboard Operation The above functions may be activated by keyboard if available.
• Right and left arrow keys move between channels.
• Up and down arrow keys increment and decrement the bias of the selected channel;
holding Shift while pressing up/down arrows will change bias in larger steps.
• Enter toggles the On/Off state of the selected channel.
• Space bar toggles all channels On/Off.
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