Starting (Abnormal-3); Turning Off The Power; Adjusting The Back Light (Lighting) By Using The Key - JRC JLR-7900 Quick Reference

4.1.5 Starting (Abnormal-3)

When the program is corrupted, the following screen is displayed. Turn off the power and contact
JRC or one of our agents.

4.1.6 Turning off the power

If the key and the
turned off and the screen display will turn off.
Supplement
The power may be turned on due to the release timing of your finger.
In this case, first release the

4.1.7 Adjusting the back light (lighting) by using the key

The brightness of display and operation panel backlight can be set to one of four levels (bright,
medium, dark, off).
Whenever is pressed, the level changes in the order of bright – medium – dark – off –dark –
medium – bright.
Supplement
• The brightness levels other than "off" can be set. See "4.5.2 Adjusting back light".
• An external dimmer unit can also be used for adjusting brightness. See "4.9.3 Selecting a
dimmer unit".
R0004
Recovery
mode.
key are pressed and held down simultaneously, the power will be
and then release the .
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