Polycom EF2241 用户手册
LCD M
ENU
S
TRUCTURE
V
ORTEX
EF2241
Reference Manual
28
Technical Support: 800.932.2774
S
YSTEM
M
ENU
The S
YSTEM
menu contains P
OWER
O
N
P
RESET
, A
CKNOWLEDGEMENT
M
ODE
, B
US
R
EFERENCE
, E
RROR
M
ESSAGES
, F
RONT
P
ANEL
L
OCK
, F
RONT
P
ANEL
P
ASSWORD
,
D
EVICE
ID, B
AUD
R
ATE
, F
LOW
C
ONTROL
, LCD C
ONTRAST
, M
ETER
, N
ON
-V
OLATILE
M
EMORY
L
OCK
, N
ON
-V
OLATILE
M
EMORY
P
ASSWORD
, S
CREEN
S
AVER
, S
OFTWARE
V
ERSION
, and R
EBOOT
EF2241 configurations.
Power On Preset.
Choose the EF2241 Preset for power up.
Acknowledgement Mode.
This command controls whether or not status mes-
sages are sent.
EF Bus Reference.
This designates which EF2241 device, when multiple devices
are linked together, will put one of their echo canceller references on the EF bus to be
used as the EF bus reference.
used as the EF bus reference.
Error Messages.
Turns error messages On or Off.
Front Panel Lock.
Locks or unlocks the front panel. When the front panel is
locked, you can see the parameters but you cannot change them.
The default passcode is
aspi
(case is important).
Front Panel Passcode.
Once the device has been unlocked, the passcode may
be changed. At the F
RONT
P
ANEL
P
ASSCODE
menu, press E
NTER
and then enter a
passcode and press E
NTER
until you reach the end of the screen.
Device ID.
Selects the Device ID of the unit.
Baud Rate.
Selects baud rate of the RS-232.
Flow Control.
Selects flow control between Hardware, None, or Auto.
LCD Contrast.
Controls the contrast level of the front panel liquid crystal display
(LCD). Higher numbers result in darker characters on the display, lower numbers
result in lighter characters.
result in lighter characters.
Meter.
Selects which signal is displayed on the front panel LED meter.
Non-Volatile Memory Lock.
Controls the non-volatile lock feature. When
the non-volatile memory is locked, you can query the settings but will get an error if
you try to change them.
you try to change them.
Non-Volatile Memory Password.
This feature sets or queries the non-vola-
tile lock password. This password is used in conjunction with N
ON
-V
OLATILE
M
EM
-
ORY
L
OCK
. The default password is
aspi
(case is important).
Screen Saver.
Enables or disables the screen saver on the LCD panel. You can
also set the idle time.
Last Restored Preset.
Displays the last restored Preset.
Software Version.
Queries the software version.
Reboot EF2241.
Cycles power on the EF2241.
Figure 17. EF2241
System submenu
System
Power On Preset
Bus Reference
Error Messages
Acknowledgement
Mode
Front Panel Password
Device ID
Front Panel Lock
Meter
Non-Volatile
Memory Lock
LCD Contrast
Screen Saver
Software Version
Non-Volatile Mem
Password
Reboot Vortex
Baud Rate
Flow Control
Last Restored Preset