End to End Encryption 3-57
September 2008
Chapter 3 - MTM800 Product Information Manual 6866537D87-F
16.3 Clear Transmit Alert Tone
There are 3 possible options for this feature, including ‘None’ (no tone alert). An alert can either be
sounded at the beginning only, or continually whenever a non-encrypted (clear) call is Transmitted.
16.4 End-To-End Key Erasure Enabled
If this option is selected, The user is able to erase the encryption keys.
Note: the keys should always be erased (if possible) if the terminal is being returned for repair etc.
16.5 Rx Clear Tone Association
This field defines the condition for sounding a clear reception alert tone. the three options are none,
always or by association.
16.6 Muted Reception Alert Tone
There are 3 possible options for this feature, including ‘None’ (no tone alert). A muted alert can
either be sounded at the beginning, or continually whenever a non-encrypted (clear) call is received
16.7 End-To-End Re-key Enable
This option defines whether or not the key request option is active.
16.8 User Prompt on Checksum Failure
Specifies whether a user prompt is displayed on an End-to-End synchronization frame checksum
failure. The message prompt indicates that a checksum failure has occurred.
Turn the check box on (Enable) or off (Disable) by clicking in the check box.
Note: The user may attempt to resynchronize the real time clock (RTC) manually or over the air (by
switching to TMO if in DMO) on the CCSUM failure indication. This may not clear the error
depending on the cause of the checksum failure.
16.9 Checksum Failure Indication
This option defines how the terminal will behave if a checksum failure occurs. the options are:
• Mute
• Mute & Alert
• Unmute & Alert
• Unmute & Overtone
• Unmute
16.10 End-To-End Index Set Change Enabled
Selecting this check box option will allow the user to change the active index set.
To Next Page
Loading...
