Use the Display Test Mode to check the display panel, key response, and quality of the LEDs. In addition, you may be instructed to activate the Display Test Mode during preventive maintenance or troubleshooting.
To activate Display Test Mode, please follow these instructions:
- Turn the power switch to the OFF position.
- If you have a Programmable, Walker, or Simple with number keys, simultaneously press the number 5 key, while turning the power switch to ON.
- If you have a Jogger or Simple with no number keys, simultaneously press the + (plus) key, while turning the power switch to ON.
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