Pioneer GM-4200 Service Manual - Page 7

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GM-H200

4. CONTROLS AND THEIR USE (EW MODEL)

O Power Indicator

The power indicator lights when the power is switched on.

ODIN input gain and RCA input level controls

The DIN input gain and RCA input level controls are used to

adjust the DIN input gain and RCA input level, respectively. Set

the input selector to suit the type of the car stereo component

to be connected.

If this amplifier is connected to a Pioneer car stereo component with

DIN sockets, set the DIN gain control to the specified position (■). If

the amplifier is connected to a Pioneer car stereo component with

RCA pin jacks, set the RCA level control to the specified position (•).

If the amplifier is connected to a non-Pioneer car stereo component

with RCA pin jacks, adjust the input level as shown in Fig. A

RCA Level

4V • 400mV

•

The position indicated by ♦ represents 0.5 V.

Fig. A

•

Adjust control • with the supplied adjustment screwdriver. Keep the

screwdriver in case you need to readjust the controls later.

Input selector

Set the input selector to Suit the car stereo component connected to

the amplifier. To connect the amplifier to a car stereo component

with RCA pin jacks, set the input selector to the left side (RCA

position). To connect the amplifier to a Pioneer car stereo

component with DIN sockets, set the input selector to the right side

(DIN position).

Drive mode switch

If the impedance of the speakers used with the amplifier is 40 or more,

slide the drive mode switch on the rear of the amplifier to the right

{Normal 40). If one channel (mono) is used, or if the speaker

impedance is 40 or less, slide the switch to the left (Dynamic/Bridge).

Input selector

Drive mode switch