Hitachi PRIMAIDE 1440 Instruction Manual page 95

(5) Channel setting is now completed and the setup initial
screen appears.
Under DETECTOR, the selected channel setting is
indicated.
<Setup initial screen>
SETUP: DETECT
CH1
* When you press the ENT key here, the setup items
selecting screen is presented to allow reentry.
Or you can advance to LCD contrast setting.
* The selected setting will be fetched upon turning on
power supply at the next time.
(6) Turn off the power switch.
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CONTRAST S. NO.
4 02AB-111