Canon FAX-L800 - Manual (Page 350)

Canon FAX-L800 User’s Guide ENGLISH
G-4 Glossary
Document tray
Holds documents ejected from the fax unit after they have been scanned into
memory, copied, or sent by direct sending.
Dual access
Enables you to scan a transmission, even if the fax is copying, sending or
receiving a document. You do not have to wait until the fax finishes the current
send/receive transmission. While the facsimile sends a document from the
memory, you can load other documents into the memory, copy documents, print
out reports, or register information.
E
ECM
Stands for error correction mode. Reduces system and line errors when sending
or receiving from another fax with ECM capability. When there is noise on the
telephone line, a distortion or blank area can occur in the document received by
the other party. ECM divides one page into a number of blocks and checks for
lost data block by block. When some data is lost in a certain block, ECM repeats
transmission from the beginning of that block after confirming that all data within
the block can be transmitted successfully. In this way, ECM guarantees that a
good image can be received at the receiving end. ECM is very effective in
countries where the telephone lines are in poor condition. There may be
occasions when you want to turn ECM off. For instance, when you feel the
transaction speed is extremely slow, you can turn ECM off.
F
FINE
Use this setting for documents with very small characters and lines. It is twice the
STANDARD resolution.
G
G3
Group 3 fax machines defined by CCITT. Uses encoding schemes to transmit
image data while reducing the amount of data that needs to be transmitted, thus
reducing transmission time. G3 fax machines can transmit one page in less than
one minute. Encoding schemes for G3 fax machines are Modified Huffman
(MH), Modified Read (MR), Modified Modified Read (MMR), and JBIG.