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3) Hands-free Master Station
Model HF-620M/630M/631M/650M
PV Type
Speaker volume switch
Microphone
Speaker
In-use lamp
Privacy switch
Dial keys
key
HF-620M
HF-630M
HF-631M
HF-650M
< Responding to a call >
[In the case that the Privacy switch is in the OFF
position.]
7. Respond to the call after the calling tone stops.
[In the case that the Privacy switch is in the ON posi-
tion.]
8. A brief Privacy tone sounds from your station each
time there is an incoming call and all incoming calls
are refused.
To respond touch dial any key
other than the key while the line is connected
between you and the calling party.
Note.
1.The sound volume of the speaker may be adjusted by
means of the 2-stage volume selector (VOL) switch.
2. With no speaker built inside, the HF-650M needs to be
connected to a separate speaker. Also, the HF-650M
is fitted with no Privacy switch.
< Making a call >
1. Touch dial the station number you wish to call,
regardless of whether the Privacy switch of your
station is in the ON position or OFF position.
2. Start conversation after the calling tone stops.
3. When the line is busy, a busy tone is heard and you
can camp on the line by simply waiting. As soon as
the line becomes free, your call is automatically
connected.
4. During a call attempt made by means of the continu-
ous calling tone or the Privacy tone, you can break
in on the calling tone by continuously depressing the
key to make a voice call through the station
speaker of the called party.
5. When the party you call is in a high noise level area,
your continuously depressing the key allows
one-way conversation to that party. As long as you
depress the key, your voice has dominance
and releasing the key will reverse the one-way
conversation from that party to you.
6. To terminate the conversation, depress the key.
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