Siemens Second Wind Function Manual page 74

Configuration
4.5 WinCC flexible
Effective range name
The "Effective range name" object shows the name and logon status of the effective range in
which the HMI device is currently located.
Display during runtime:
Effective range quality
The "Effective range quality" object shows how close the HMI device is to the limits of a
effective range.
Display during runtime
74
Description
The HMI device is within the effective range shown. The HMI device is
not logged on in the effective range.
It is possible to log onto the effective range.
The HMI device is within the effective range shown and is logged on in
the effective range.
Safe operation in the effective range is possible using the enabling
buttons.
The HMI device is within the effective range shown.
Logon to the effective range is rejected because a different HMI device is
already logged on.
Note:
When using the "Override" mode: Although no other HMI device is still
logged on in the effective range, logon is rejected because the override
switch is still set.
The HMI device is outside all of the effective ranges.
Description
The HMI device is in the middle of the effective range.
The HMI device is located at the limits of the effective range.
The HMI device is located outside the effective range.
"Override" mode is active. The distance of the HMI device to the
transponders is not evaluated.
Fail-safe operation of the Mobile Panel 277F IWLAN
Function Manual, 08/2008, 6AV6691-1FQ01-2AB0