1-2 OM ET18/20/24 us 1.3 * et18_20_24v100.fm
1
Explanation of symbols and abbreviations
Explanation of symbols
• Identifies a list
- Identifies a subdivision of a list
➥ Description of a result
1. Identifies an activity
Follow the order of the activity!
2. Continuation of an activity
Follow the order of the activity!
A Identifies an alphabetical list
B Continuation of an alphabetical list
Cross reference formats: see page 1-1 (page)
Cross reference formats: 7 (pos. no. or table no.)
Cross reference formats: Fig. 5 (fig. no. 1)
Cross references: – see chapter “5 Operation” on page 5-1
(see chapter)
Cross references: – see “Operation” on page 5-1 (-see text)
Identifies an instruction that, when followed, provides for a more
efficient and economical use of the machine.
Failure to observe the instructions identified by this symbol can
result in damage to the environment.