IMR-4 I/O Interface Module
6
————————————————————————————
1095 Mearns Rd. Warminster PA 18974 TEL (215) 675-7805
poly-planar
Waterproof Marine Audio
Specifications
13) Aux 1 and Aux-2 Inputs
a. Input Impedance:
10 Kohm (Line level input)
1 Kohm (Speaker level input)
b. Input Level:
0.5
– 1.5 VRMS (Line level input)
1.5
– 7.0 VRMS (Speaker level input)
c. Fixed Output Level:
1 VRMS
d. Variable Output Level: 0
– 1 VRMS
e. Output Minimum load: 300 ohm
Troubleshooting
14) Audio Center will not select AU-1 (or AU-2) as desired
a. Check to make sure the configuration switch is set to the ON
position and all connectors on the gray ribbon cable are firmly
seated.
b. Reset the Audio Center by either pushing the reset switch
using a pin, or by removing power to the unit. Remove power
by either disconnecting the entire Audio Center 12 pin harness
or disconnect the vehicle battery for 10 seconds.
15) AU-1 (or AU-2) appears on Audio Center although this input is unused
or unwanted
a. Set switch for unwanted Aux channel to OFF position.
b. Reset the Audio Center by either pushing the reset switch
using a pin, or by removing power to the unit. Remove power
by either disconnecting the entire Audio Center 12 pin harness
or disconnect the vehicle battery for 10 seconds.
