|User’s Guide: English 79Programming Speed Dial NumbersTypes of Speed DialsThere are four types of spaces: One-Touch Speed Dial 2-Digit Speed Dial 3-Digit Speed Dial Group Dial! Each fax number that you enter or program into yourmachine can be up to 40 digits long. If you need to diala number with more digits, use the chain dial feature.For more information on chain dialing, refer to“Programming Speed Dial Numbers, Chain Dialing.”! This section describes programming fax numbers only.See the T.37 Option Guide for information onprogramming e-mail addresses.You can program (save) frequently dialed numbers into yourmachine. This way, you enter the full number once, andaccess the number with one or a few keystrokes thereafter.The total number of spaces available for programming variesby model. 140 spaces (Model 5780) 230 spaces (Model 5980)