Maxcom MM237 User Manual page 52

"Can I make an
emergency call
if there is no
reception or if
there are no
funds on my
account?"
"How to get the
most out of my
reception?"
"There is a
message on the
screen: "Press,
unblock", and
then * "keys do
not work".
"What is the text
messages
center?"
52
If you are in the area with no reception of any
network, no phone calls can be made.
If you have no funds available on the account,
emergency call to 112 can be made.
If there is a message „Does not work", it means
there is no signal or no funds available. In such a
case, making emergency phone calls to 112
emergency number is possible if the user is within
the network of other provider.
Places such as buildings reduce signal strength,
therefore you should get closer to a window or
relocate to an area not surrounded by many
buildings.
The keypad lock is on, you should unlock the
keypad by pressing the LFK, and next *.
It is the service provider's center number storing
all text messages. The number is stored on the
SIM card, but you can change the number and
enter another number in MENU.