6.7 Local display unit (LDU-20) - general
6.7.1 Local display unit (LDU-20)
The LDU-20 (Figure 6-11) is a multi-purpose module that has an LCD color display (009), ten
multi-function buttons (004 to 008) and a rotary button (003).
The number of LDU-20 installed on the engine is related to the engine control system (ECS)
and to other optional systems.
Fig 6-11 LDU-20 - overview
POWER
STATUS
PUSH SELECT
00209
001
009
008 008 008 008 008 008 007 006
002
003
005
004
Legend
001 Power LED 006 CHECK button (used to accept the action or
enter data)
002 Status LED 007 HOME button (push to show the main page)
003 Rotary button (16 steps in one turn, push to
select)
008 Multi-function buttons (function is shown on the
display)
004 BACK button (used to cancel the action or
delete data)
009 Color display
005 Failure LIST button (push to show the failure
list)
X92DF
AA00-0000-00AAA-043H-A
Operation Manual Local display unit (LDU-20) - general
Winterthur Gas & Diesel Ltd.
- 288 - Issue 002 2020-08
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