2 program options, 2 setting backlight, 3 selection of auto shut off mode – LW Measurements KHR 502 User Manual
Page 19: 4 return to weighing mode

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4.2 Program options
demonstrations of applicable usage.
4.2.1 Function settings
4.2.2.1 Enter the Function Setting Mode
Start with machine OFF
Press and Hold [ZERO]
While holding [ZERO] press [ON/OFF]
Press [ZERO] to toggle between A-on (Function setting mode on) and
A-off (Function setting mode off) Select A-on to continue in Function
Setting
4.2.2.2 Setting Backlight
While in Function Setting Mode,
Press [UNIT]. The display will show L
– On (Backlight active) or L-Off
(Backlight active)
Press [ZERO] to toggle between L-On and L-Off
4.2.2.3 Selection of Auto Shut Off Mode
While in Function Setting Mode,
Press [UNIT]. The display will show A-On (Auto Shut off active) or
A-Off (Auto Shut off inactive)
Press [ZERO] to toggle between A-On and A-Off
4.2.2.4 Return to Weighing Mode
Press [ON/OFF] to turn the power off.
Press [ON/OFF] again to turn on the power and return the machine to
weighing mode