Operation Manual _________________________________Tuning Instructions
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7-3
MICROTIP™ AND CUP HORN TUNING INSTRUCTIONS
MICROTIPS
TM
& EXTENDERS
1. Tuning of the horn should be done as quickly as possible. Running in air for a long
period of time may damage the horn.
2. Follow steps 1 through 3 in 7-1 for XL2020 or 7-2 for XL2010 & XL2015
3. Turn the Amplitude Control Knob (see 5-2 or 5-4) slowly towards setting 1.
3.1. Pay strong attention to the bar graph of the LCD on the XL2020 or the needle
of the analog power meter on the XL2010 & XL2015. STOP turning the
Amplitude Control Knob if the reading exceeds 70%.
3.2. Rotate the Tuning Knob (see 5-2 or 5-4) either clockwise or counter-
clockwise until the lowest possible reading (usually below 20%) is
achieved.
4. Turn the Amplitude Control Knob slowly towards setting 3 and repeat steps 3.1 and
3.2.
5. Turn the Amplitude Control Knob slowly towards setting 5 and repeat steps 3.1 and
3.2.
6. Follow steps 7 through 9 in 7-1 for XL2020 or 7-2 for XL2010 & XL2015.
CUP HORNS & TRAY HORNS
1. Do not tune horn with liquid in the cup. Drain filled cup down to the outlet fitting level,
perform the tuning procedure as outlined in 7-1 for XL2020 or 7-2 for XL2010 &
XL2015, then refill the liquid to the desired level.
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