Clear Language Display (Cld) 1U6 Keypad Overview - Trane R Series Diagnostic Troubleshooting Repair

Module Power and Miscellaneous I/O
Figure 7 AC Power Connection To Modules

Clear Language Display (CLD) 1U6 Keypad Overview

Local operator interface with the system is accomplished using the 16 keys
on the front of the Clear Language Display panel. The readout screen is a two
line, 40 character liquid crystal display with a backlight. The backlight allows
the operator to read the display in low-light conditions. The depression of any
key will activate the backlight. The backlight will stay activated for 10 minutes
after the last key is pressed. At 10 F or below the backlight will stay activated
continuously.
The keys are grouped on the keyboard by the following functions (refer to
Figure 8):
- Select Report Group
- Select Settings Group
- Selection Keys
- Stop & Auto Keys
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