∙ON-OFF
The ON-OFFkey activates the OM-550. If the unit is “OFF”, pressing theON key will activate it, light the Activity LED and beep the horn. When the key is released, the unit will print the key name, time, date, and a command menu:
KEY NAME
MENU
Figure 2-5
If the OM-550 is “ON”, pressing theOFF key will cause it to print:
Figure 2-6
... then deactivate. It will remain “OFF” until theON key is pressed.
The OM-550 can turn itself “OFF” (power save mode) when logging at long intervals, to conserve power (refer to section 2.4.3 POWER-SAVE MODE for more information). If the unit is powered down, pressing the ON key will activate the unit but only the key name will print, with the following message:
Figure 2-7
