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To turn the Horn & Lights Alarm on or off, press  .
 
Packet Data
The Packet Data (PD) Service allows you to transfer data in a 
TETRA system using the Internet Protocol (IP). Check with 
your Service Provider for the availability of this feature.
 
If set up by your Service Provider it is possible to accelerate 
the transmission by using the Multi Slot Packet Data (MSPD) 
Service (refer to “Packet Data” on page 97). 
Looking after your MTM800
To clean your MTM800, use a moistened or antistatic cloth. 
Do NOT use a dry or electrostatically charged cloth.
The ignition must be off for the Horn & Lights Alarm to work.
The Horn & Lights Alarm cannot be operated in Phone or PABX 
Mode and text editing, where the  key is used to enter an * 
sign.
For transferring data from a standard computer over the air
connect the computer via the Active Data Cable GMKN1022 
with your MTM800. Your Service Provider has to setup 
additional applications on your computer.
6815321H01_KOR.book  Page 28  Thursday, November 13, 2008  8:06 AM