Panasonic ICX 手册

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页码 311
Section 700 - Operation
Chapter 5. Key Telephone Features
ICX-35-700
ICX (International), issued March/1999
 159
To erase a code stored on an FF key:
Note:
You cannot use the following procedure to clear FF keys that have been assigned as trunks. 
Trunk keys can only be cleared through system programming.
To check a programmed FF key (Display Phone Only):
Hardware Requirements
N/A
Considerations
If a new code is programmed into a key, the previously programmed code is erased.
FF keys assigned as trunks must be cleared using system programming before new FF 
assignments can be made.
The System can be programmed so that MCO 1 Trunk Access calls automatically use Automatic 
Route Selection (ARS).
The ANSWER key functions as listed in the table below.  
6.   Repeat steps 2-5 to program additional keys.
7.   Replace the handset or press the ON/OFF key.
Action
Result
1.   Lift the handset or press the ON/OFF key.
Intercom dial tone
2.   Press the PROG key.
3.   Press the FF key that was programmed.
Programmed code displays
4.   Press the HOLD key.
Cleared Function 
displays
Action
Result
1.   Lift the handset or press the ON/OFF key.
Intercom dial tone
2.   Press the CONF key.
C
 displays
3.   Press the FF key to be checked.
Programmed data displays
4.   Replace the handset or press the ON/OFF key.
Status
Condition
Operation when ANSWER key is pressed
Idle
No incoming ring
Ignore.
Incoming ring
Monitor ON (speaker) - Auto Answer for incoming ring.
Off-Hook
Off-hook signaling
Answer for off-hook signaling. Current conversation will be 
put on hold automatically.
No off-hook signaling
Ignore.
Action
Result