Instruction Manual
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9)  AMPLITUDE KNOB 
  Controls the amplitude of the signal at the MAIN OUTPUT. Pull knob to 
attenuate the signal by 20 dB. This can be combined with ATTENUATE KEY for 
total of 40 dB attenuation. 
10)  DC OFFSET 
  Applies a DC offset to the main signal. Pull knob to turn on. Clockwise rotation 
from center changes the DC offset in a positive direction, while counterclockwise 
rotation from center changes the DC offset in a negative direction. 
11) NUMBER PAD 
  Use these keys to set the frequency value or duty cycle %. 
12) LED DISPLAY 
  Displays the set frequency. 
4.2  Rear Panel Description 
13)  DC FAN 
  40 mm fan for cooling purposes. 
14)  KENSINGTON SECURITY SLOT 
  For use with Kensington locks to secure your product and prevent theft. 
15)  INPUT AC POWER SELECTOR AND FUSE 
  Power input socket and fuse compartment. Refer to arrow mark on fuse plug 
and mark on panel for selected input line voltage. 
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