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M3SR Series 4100
4.7.5.3
Editing a User-defined COMSEC Key for SDV Communication
By turning the knob, a key can be selected in the key list. Pressing the softkey Edit will open
an editor to enter the key value. When the editor is open the softkey changes its text to give
a hint that the entry shall be in hexadecimal numbers. The numbers 0 to 9 can be entered
through the keypad or by turning the knob and confirming each entry by pressing the "." key.
The numbers A to F can only be entered using the knob and confirming each entry by press-
ing the "." key.
Please note that for security reasons the given key can not be displayed again, once
it has been entered. Furthermore the key has to be selected as active COMSEC key
(see sect. 4.7.4.6 Selecting the Active COMSEC Key for SDV Communication) before
it is used for the SDV communication.
Voice communication will not be possible in case of using different keys at transmitter
and receiver. Please note that there is no indication if the keys are different. The re-
ceived voice is not intelligible in this case.
Operating Manual 6175.4760.02 – 01
Editing a User-defined COMSEC Key for SDV Communication
4.155
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