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It was complete service manual with all needed service informations. Thanks.
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El manual esta muy detallado, los numeros de partes y los esquemas de despiece son correctísimos y muy claros, tanto para los técnicos experimentados como para los novatos.
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Ottima qualità grafica e completo nelle notizie. Costo abbastanza contenuto.
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Great and quick support. The maual was exactly what I was looking for and my problem
solved. Many thanks.
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Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
GM-X422, GM-X322
16
Gain Control Power Indicator
The power indicator lights If sound is too low, even when the
volume of the car stereo used along with power is switched on. this power amplifier is turned up, turn gain control on back of the power amplifier clockwise. If the sound distorts when the volume is turned up, turn the gain control counter-clockwise.
- SETTING THE UNIT
� Set the gain control to �NORMAL� when BFC (Beat Frequency Control)
this amplifier is connected to a Pioneer car stereo with RCA output jacks. If the sound Switch is too low or distorts, adjust the gain control. (ES and EW models)
8. OPERATIONS AND SPECIFICATIONS
If you hear a beat while listening to an AM broadcast with your car stereo, change the BFC switch using a small screwdriver.
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch
Set LPF/HPF select switch as follows according to type of the that is connected to speaker output connector and the car stereo system:
LPF/HPF Select Audio frequency range Speaker Remarks Switch to be output Type
LPF (left) Very-low-frequency range Sub-woofer Connect a sub-woofer.
OFF (center) Full range
Bass Boost Level Control
Bass control can boost the level because it is not necessary control. around frequency selected by the bass � Level Control, Bass Boost for the speaker you use. boost frequency control 0 to 12 dB. Frequency Control can be adjusted only
Bass Boost Frequency Control (GM-X422)
HPF (right) Low-frequency range Tweeter If you want to cut the veryYou can select a bass boost frequency
high-frequency low-frequency range from 40 to 120 Hz with the bass boost
when the LPF/HPF select switch is set to a position other than HPF.
Fig. 8
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