5) Hands-free / Handset Master Station
Model HF-600M/610M/660M (With Auto-D ialer)
NP Typ e
Handset
Speaker volume switch
Microphone
Loud speaker
Speaker
In-use lamp
Privacy switch
Dial keys
key
HF-600M
HF-610M
HF-660M
< Making a call > < Responding to a call >
1. Hands-free conversation may be made by simply
touch dialing the station number you wish to call.
2. When you wish to use the handset, p ick it up, then
touch dial the station number you wish to call, or
reverse the order.
3. Start conversation after the calling tone stops.
4. When you hear a busy tone that indicates the party
you call is on another line, you can camp on the line
by simply waiting. As soon as the line becomes free,

your call is automati cally connected.

5. In the event that the party you are calling does not
respond and the continuous c alling tone is still heard
from your station, 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.
6. During hands-free conversation, when the person you
are talking to is in a high noise level area,
(1) Pick up the handset to tal k or (2) depress the
key continuously for one-way conversation
to that party. As long as the key is depres-
sed, your voice has dominance, and releasing the
key wil l reverse the one-way conversation
from that party to you.
7. To terminate the conversation, hang up the handset
or depress the key.
[In the case that the Privacy switch is in the OFF
position.]
8. Respond to call after the calling tone stops.
[In the case that the Privacy switch is in the ON posi-
tion.]
9. The continuous calling tone function is made avail-
able to any station when its Privacy switch is in
the ON position. Depressing any key (
or ) other than the key or pickin g up
the handset of the station called causes the continu-
ous calling tone to" stop and puts the station in the
conversation mode.
Note.

The sound volume of the loud speaker may be adjusted

by means of the 2-stage volume selector (VOL) switch.

– 12 –