— 47 —Make sure that the unit is installed securely in place. If the unitis unstable, it may malfunction (eg, the sound may skip).NOTEBend the tabs of themounting sleevewith a screwdriver orsimilar utensil andattach it in place.Metal mountingstrap(commerciallyavailable)Self-tappingscrew(commerciallyavailable)Firewall or metal supportScrew (M4X8)(commerciallyavailable)InstallationnInstalltionTo attach this unit, make sure the front of the control panel facesyou and fit it into the mounting sleeve by pressing the four cornersof the hard rubber frame at the same time.Do not apply strong pressure to other sections than the corners;otherwise troubles such as the impossibility of opening or closingthe panel may result.2CAUTIONFConnecting the ISO Connector (see p.46)The pin arrangement for the ISO connectors depends on thetype of vehicle you drive. Make sure to make the properconnections to prevent damage to the unit.The default connection for the wiring harness is described in 1below. If the ISO connector pins are set as described in 2 or 3,make the connection as illustrated.2WARNINGUnitVehicleIgnition cable (Red)Battery cable (Yellow)A–7 Pin (Red)A–4 Pin (Yellow)UnitVehicleIgnition cable (Red)Battery cable (Yellow)A–7 Pin (Red)A–4 Pin (Yellow)UnitVehicleIgnition cable (Red)Battery cable (Yellow) A–4 Pin (Yellow)1 (Default setting) The A-7 pin (red) of the vehicle's ISOconnector is linked with the ignition, and the A-4 pin (yellow)is connected to the constant power supply.2 The A-7 pin (red) of the vehicle's ISO connector is connectedto the constant power supply, and the A-4 pin (yellow) islinked to the ignition.3 The A-7 pin (red) of the vehicle's ISO connector is notconnected to anything, whilst the A-4 pin (yellow) is connectedto the constant power supply (or both the A-7 (red) and A-4(yellow) pins are connected to the constant power supply).Connect to a power source that can beturned on and off with the ignition key.Connecting Cables to Terminals