User's Manual THE ORIGINATOR OF CLASSIC VEHICLE OEM FIT RADIOS SINCE 1977 USA 740 RADIO AM/FM WITH RDS TUNER, BLUE TOOTH and VA DISPLAY HIGH POWER 300 WATTS AM/FM with RDS & 25 Pre-sets 7 LCD Color Choices (selectable) BlueTooth CD Controller Auxiliary In Aux1 and Aux2 (on front) Subwoofer Line out w/ x-over Front/ Rear Fader Left/Right Balance Bass / Mid / Treble Control DSP EQ Clock USB Jack charge for mobile phones USB MP3/WMA /FLAC/WAV Player Loudness Function Last Volume Memory RCA Pre-out 5v (2
T is H g Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 General Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Radio Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Low Level Output Connection . . . . . . . . . . . . . . . . . . . .4 Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Controls and Display . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction Thank you for your purchase of a Custom Autosound radio. This AM/FM receiver is specifically designed and manufactured for your classic vehicle. It is a reflection of over 36 years of customer feedback regarding preferred features, vehicle compatibility, cosmetics and quality components. The quality of the components and various parts that are used in our radios were developed in a California audio research laboratory.
Radio Installation Thank you for your purchase of this Custom Autosound product! Owner- Installer: Please review installation instructions and owners manual. Keep in mind that your radio and/or speakers are custom equipment designed specifically for your year vehicle. It should be handled carefully and installed preferably by an auto radio specialist. We suggest that you 'BENCH TEST" the unit before installation, as we do, prior to shipment.
Power and Speaker Connections (Refer to Wiring Diagram on page 5.) Note: Both Red and Yellow wires must be connected for radio to operate. A-Main Power-Red Wire B+ Connect the RED wire (B+) to an accessory fuse that is switched OFF when the key switch is in the OFF position and is switched ON when the key switch is switched to the ON or accessory position.
WIRING DIAGRAM Figure 2 AUX IN LNE OUT REAR FRONT 2 4 6 8 A 1 3 5 7 CDC 2 4 6 8 Connection for Optional Custom Autosound 6CD Changer, CD1 Player USB ANTENNA JACK MIC IN SUBWOOFER R IGNION/ACC +12V GROUND (A7)RED AUTO (A8)BLUE (A8)BLACK ANTENNA CONSTANT +12 (A4)YELLOW (A3)BLUE/WHITE WIRE REMOTE/AMP TURN -ON LEAD (B5) LEFT FRONT (B3) + WHITE GRAY REAR (B1) PURPLE + GREEN + RIGHT REAR PURPLE /BLACK (B1) - GREEN/BLACK (B8) RIGHT FRONT GRAY/BLACK (B4) - WHITE/BLACK (B6) (B7)
Function See FIG.3 Radio Mode Pre-set 2 Recall/ Store Press to select the #2 radio Press to play 10 seconds of preset. each track on the flash drive or CDC Press and hold to store pre- Press again to cancel the preset 2 into memory. view scan function. Preview Scan Pre-set 3 Recall/ Store Random 4 5 Pre-set 4 Recall/ Store Select Folder Select Disc 6 Next/Previous 7 Press to select the #4 radio Press to move UP through preset. folders on your flash drive.
SEE FIG.3 Function See FIG.3 Radio Mode System Menu Press and hold the right front knob for 3 seconds to access the sub-menu system where you can adjust: DIMMER,LCD Color,DISPFUN/CLK,SCR OFF/CLK,Auto/Manual turning,DX/LOCAL,STEREO/MONO,A STORE,AREA USA/EUR/AUS/JAP/RUS,BT ON/OFF,BT DISC,BEEP OFF/ON,CT ON/OFF,PTY Search,Vol Adjust/Vol Last and volume default level, TA Seek/Alarm, PI Sound/MUTE, Mask DPI/ALL.
Adjusting the sound properties: 1. 2. 3. 4. Press the right front knob, then release, to access the sound properties menu. Repeatedly press and release the front right knob to scroll through the available menu options. Turn the left front knob right or left to select a value for the chosen menu option. Press and release the right front knob repeatedly to move to the next function desired, or do nothing and the menu will revert to the current source display.
FADER The fader control allows you to fade the sound from the front pair of speakers to the rear pair of speakers. Adjustment range is 0-20 between front and rear speakers. TURN PRESS Loudness This function boosts bass and treble according to the volume. You will know this function is active when you see “LOUD” on your display. This function boost bass and treble for low listening volume and should be turned off at higher volumes.
TURN PRESS MID RANGE Use this function to make a more detailed boost or cut adjustment of midrange (vocal) frequencies as follows:0.5K/1.0K/1.25K/1.5KHz.Default setting is 1.0KHz.This is a very useful mode for making very specific tonal adjustments. When selecting one of these 0.5K/1.0K/1.25K/1.5KHz points, array changes to the prior MID menu settings on page 10 (-12 to +12) will boost or cut at the selected frequency setting chosen in this menu.
DISP FUN/CLK The unit default setting displays function info on the screen. Select “DISP CLK” to show the clock as the priority screen view without any operation in 10 second.Turn right front knob either clockwise or counter-clockwise to select “DISP CLK” or “DISP FUN” SCR OFF/CLK The unit default setting displays nothing on the screen when the radio power off.Select“SCR CLK” to show the clock as the priority Screen view when the radio power off.
left left
PROGRAM TYPE (PTY) (Works in EURO Mode only) This function will allows you to Searching a special PTY Station in FM Mode. Turn the left front knob clockwise or counter-clockwise to select the PTY which you want, And then, Turn the right front knob clockwise to activate the Search process. TA SEEK (Works in EURO Mode only) This function allows you to select the tuner working in TA Seek or TA Alarm mode. Turn the left front knob clockwise or counter-clockwise to select TA Seek or TA Alarm.
Pairing a Bluetooth Device When connecting a Bluetooth device for the first time，you must first pair the device with the USA 740.For most devices，pairing only needs to be done once. Please follow these steps: Make sure the BT (Bluetooth) function is turned "ON" in the rad io Sub-Menu. See "Sub-Menu System" on page 13. •Ensure Bluetooth is enabled on the phone to be connected to the unit. •Search for a new Bluetooth device from the phone (this may take up to 30 seconds).
Noise Suppression All CAM electronics are designed for maximum electrical noise rejection. In some installations however, electrical noise may affect the quality of sound reproduction. If electrical noise is present after installing your Slidebar radio, identify the source of the noise using the descriptions under Sources Of Electrical Noise. To eliminate the noise follow the procedures described under Elimination of the specific noise source. 1-Check all ground connections.
Antenna Noise cont. Elimination 1. Test or have tested the antenna lead for any breaks or shorts.Signs of crimping, . . kinking, fraying or rust usually indicates damage to the cable.Replace the antenna or cable if necessary. Ignition Noise A popping or crackling noise heard through the speakers. The noise will vary as the engine rpm varies,The noise will Only be present with the engine running Elimination 1. Install an L.C. Filter Network in the power lead of the radio.
This radio is for 12volt negative ground vehicles only. If your electrical system is 6volts and or positive ground Custom Autosound has power inverters #PGPIHC (positive ground power inverter) and voltage boosters #NGVB-HC (negative ground voltage booster) for use with this radio. Problem Radio Will Not Turn On NO Lights, NO Sound Possible Cause Power Lead: Red Wire (switched) not connected or Power not getting to radio Solution Check all connections for proper voltage. Voltage range 12-14.
LIMITED WARRANTY If your product does not work properly because of a defect in material or workmanship, Custom Autosound Mfg.,Inc. (the Company) will for the length of the period indicated on the chart below, which starts with the date of original purchase (“Limited Warranty period”), at its option either (a) repair your product with new or refurbished parts, or (b) replace it with a new or refurbished product. The decision to repair or replace will be made by the company.
FCC Requirement Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
