HP NonStop G-Series - Manual (Page 94)

5157/5157 ACL S-Series DLT Subsystems Installation Users Guide
Operating the 5157 ACL Tape Drive 6-5
3) To display the Show Status Menu only without entering the
Menu Mode, press the Escape button at the Default Screen. The
system remains online.
Important Note: When the Menu Mode is entered, the Ready light goes
out. This means that the module is off-line, and the system responds to all
commands from the host with a SCSI ‘Not Ready’ until the Menu Mode is
exited and the Ready light goes on.