Polaroid PDC 3000 User Manual page 221

2 Insert the CompactFlash card (b) into the camera by sliding it
into the CompactFlash card slot. Be sure to orient the card
with the insertion arrow (c) facing upward and pointing into
the slot.
c b
CARDIN
Slide the card into the slot until it stops, then press it firmly
to engage the connector on the forward edge.
Maintenance and troubleshooting 221