5
5. GENERAL DESCRIPTION
The AI-MS900 can make calls to or receive calls from the substation or the master station (telephone).
It utilizes 2 pairs of twisted cables.
6. NOMENCLATURE AND FUNCTIONS
2
ABC
1
3
DEF
1
2
3
4
5
6
7
8
5
JKL
4
GHI
6
MNO
8
TUV
7
PRS
9
WXY
0
C
OPER
P T T
REDIAL
XFER
#
HANDSET
REGISTER Do not connect thei jack
to telephone line.
LINE
MINI.
MAX.
SP. VOL.
1
2
3
4
5
6
7
8
9 10
11
12 13
14 15
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18 19
17
20
[View ]
A
[Front]
[View ]
B
View
B
View
A
OFF ON
1. Display panel
Shows connection status and registered data.
2. Internal speaker
Sounds call tones and permits "handsfree"
conversation.
3. In-use lamp
Lights when station is busy.
4. Handset
Lift the handset or press the [PTT] key to
respond to a call.
5. Station number card
Write the station's number in this card.
6. Hook switch
7. Speaker volume selector switch [SP.VOL H/L]
Adjusts the internal speaker's volume level.
8. Station number directory
9. Numeric dialing keys [0] – [9]
Used for dialing
10. [ ] key
Used for registration and dialing operations of
call paging functions or other special functions.
11. [#] key
Used for registration and dialing operations of
special functions.
12. Press-to-talk [PTT] key
Used for speaking in press-to-talk conversation
mode. Functions as a Response key to answer
incoming calls.
13. Cancel [C] key
Terminates calls.
14. [REDIAL] key
Automatically redials the last dialed number.
Also, functions as a station select key to cycle
the display through waiting calls.
15. Transfer [XFER] key
Used to transfer calls. First press this key, then
dial the station number to which calls are
transferred.
16. Auto dialing keys [1] – [8]
Automatically dial the registered station number.
17. Internal microphone
Used in "handsfree" operation.
18. Handset speaker volume
[HANDSET SP. VOL.]
Adjusts the handset speaker's volume level.
19. Registration ON/OFF switch
[REGISTER ON/OFF]
Set this switch to ON when registering auto
dialing information or other data into the station.
Normally, set this switch to OFF.
20. Line connector [LINE]
Connects the line to the exchange.