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3 [KEY] button
When this button is clicked, the Check Key screen is opened. The conduction check of button, knob and
menu lever of this unit is performed.
Operate the front operation device displayed on LCD of this unit, then click the [OK] button of the Check
Key screen.
After the check is completed, the check result is displayed in the edit box 6.
4 [LCD] button
When this button is clicked, the Check LCD screen is opened, and all LCDs of this unit light up.
Visually check that all LCDs of this unit are lit.
After the check is completed, click the [OK] button of the Check LCD screen.
5 [LED] button
When this button is clicked, the Check LED screen is opened, and all LEDs of this unit light up.
. LCD backlight LED: Blinks in green and amber alternately.
. ON/STANDBY LED: Blinks in green and amber alternately.
Visually check that all LEDs of this unit blink.
After the check is completed, click the [OK] button of the Check LED screen.
6 Edit box
Displays the check result and message.
1-19 (E)
UP-D898DC
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