Fukuda Denshi FX-7302, Service Manual

Page: 32 / 162

Chapter 2
2 - 12
Key Test
This section explains how to carry out the tests related to key operations.
1. Tap the [KEY TEST] key on the [SET UP MODE (MAINTENANCE)] screen to
go to the [MAINTENANCE (KEY TEST)] screen.
2. When a key on the operation panel is pressed in this screen, the pressed key
is highlighted on the LCD.
3. By tapping the [MENU] key, the screen returns to the [SET UP MODE
(MAINTENANCE)] screen.
4. By tapping the [EXIT] key, the screen returns to the inspection screen set in
advance.
LCD Test
This test is to check for missing dots of the LCD and to check gradation, etc. of the
LCD.
1. LCD display begins automatically in the predetermined mode when the [LCD
TEST] key is tapped in the [SET UP MODE (MAINTENANCE)] screen.
2. The screen returns to the [SET UP MODE (MAINTENANCE)] screen on
termination of LCD display.
MAINTENANCE (KEY TEST)
Review
START
STOP 1mV
Reset
MENU
EXIT