Kenwood XXV-05V - Manual (Page 69)

If you have pressed the Reset button or if you
have disconnected the Receiver from battery...
—
You must enter the same security code as that you
have entered in Step 3 above.
Now, you can use your Receiver.
If you enter an incorrect security code, you
cannot use your Receiver for a while.
Incorrect entry count Receiver inoperable
time
1 —
2 5 minutes
3 1 hour
4 or more 24 hours
Enter
Enter the security code 2
9 0
Enter the correct security code 1
English 69