Lab-T GrandCom-900 User Manual page 15

4.8 Security Code Selection
Security Code can be modi ed by the user.
Turn on the power of the device.
Long press the MODE button to go to SETTING mode.
Short press MODE button to go to security code setting screen.
The user can change the Security Code by Up/Down buttons.
Security Code is composed of 4 digits and each digit can be set as
0~9, A, b, C, d, E, F.
Security Code can be set one digit by one digit. Short press MODE
button to move to the next digit. 1, 2, 3, 4 on the left indicates
which digit the code is located. The right indicates hexadecimal
number.
For example, to set the code as 0xFC10, it should be set in the
following order: 3F -> 2C -> 11 -> 00.
Long press the MODE button to nish the setting.
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