Thank you for having the manual I needed for an older model Aiwa stero I had found on Ebay --- I wanted the Aiwa because I had tapes and cd's but I did not have a manual as to how to operate the system... I found what I needed and it has enabled me to set the system up for my enjoyment.
I wished detailed information of the JBL S310 and here I found it! Very happy with the service from this site!
Text excerpt from page 13 (click to view)
Venting
The hood is more effective when used in the extraction setting (ducted to the outside). Venting kits may be purchased through your retailer or DIY store, and must be ducted to an outside vent of 100mm (4�) minimum.
The ducting used must be manufactured from fire retardant material.
When the hood is ducted externally the charcoal filter must be removed.
KTo Fit the Ducting
1. Open the grille by pressing inwardly on the actuator bolts at each side of the grille, while pulling the grille panel downwards. The grille panel will slide into the intermediate position. Raise the lower edge of the grille forward through 45° angle until the grille becomes detached from the slide mechanism. Align the flat sides on the spigot with the recesses in the top of the casing. Insert and snap fix the spigot into the casing. Connect the ducting to the spigot and make an air tight seal. Remove the charcoal filter.
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Recirculation
The charcoal filter (optional extra) must be fitted for recirculation.