A&D BA-T Series Instruction Manual page 56

User authorization - Change to settings not allowed
If changes to settings are not allowed in user authorization, the following buttons are disabled.
MENU screen - System settings
Display settings: MENU key
Sensitivity adjustment - Settings
Display settings: MENU key
button
[Calibration test/check] screen - Settings
Display settings: MENU key
* There is a button for navigating to the same settings screen
during a periodic check. This button is also disabled.
User authorization - Date/time setting not allowed
If the date/time setting is not allowed in user authorization, the following button is disabled.
System settings - Date/time setting
Display settings: MENU key
[Menu] screen
Disabled button
Sensitivity adjustment
[Sensitivity adjustment] screen
Disabled button
Calibration test/check button
Disabled button
System settings button
Disabled button
56
[Calibration test/check] screen
[System settings] screen