LD9988 User Manual Page 31
The unit can’t be turned
on
The batteries are weak
The battery is not placed
properly
The compartment door is not
closed or it’s closed but not
pushed to the position of
“Unlock”
The electronic connection on
the compartment door is
damaged
Replace the batteries.
Take out the battery and place again
Check the compartment door is closed
or not, push the compartment door to
“Unlock” position
Change a new compartment door
Pronunciation is too
loud/weak
Volume is set too high/low
Adjust the volume
The screen is not clear The brightness is not good
Turn up the contrast button
The speech is too slow/
fast
The speech is set too slow/fast Adjust the speed of Speech in System
Setting
The tone is too low/high The tone is set too low/high
Adjust the tone in System Setting
2.12 General Principles
Display: LCD
Power : Main battery – AAA
x
4
Adapter – Please refer to Power Supply
2.13 IC Card
Plenty of practical IC cards will be available for you to choose so as to expand the
function of the unit.
Inserting and taking out the card
Inserting card:
1.
Press
to turn off the unit.
2.
Push the card lock to the position of “Unlock”
3.
Insert the card in the direction indicated on the card
4.
Push the card lock to the position of “Lock”.