Either "PV" Type (the system with Privacy function) or "NP" Type (Without Privacy function) mode should be selected in

the total intercom system.
When Privacy Switch (SW) of s tation is turned ON, privacy tone is available in "PV" Type system, while continuous calling
tone is available in "NP" Type system.
Calling
Voice
Receiv-
ing
Speech
Methods
Functions
Dialing
One-Touch Dialing
Dialing after picking
up Handset and
comfirming Dial
tone
Calling by picking
up Handset
Voice Calling
Hands-free Calling
and Conversation
Continuous Calling
Tone Response by
One-Touch Dialing
(No. 200 program-
ming)
*1
Privacy
Continuous Calling
Tone.Picking up
Response (in Privacy
Mode)
Continuous Calling
Tone-One-Touch
Response (in Privacy
Mode)
Voice Switch
Conversation
Simplex Conversa-
tion by Press-to-
Talk key
Full Duplex
Conversation
Descriptions
Calls are made by touching dial.
Even if the Privacy SW is on, calling is possible.
Substations can make a call to designated Master
Stations by one-touch dialing. Calling is possible even
if the Privacy SW is on.
Calls can be made by touching dial button after
picking up handset, and confirming dial tone is heard.
Substations can make a c all to designated Master
Stations just by picking up the handset.
When called by continuous calling tone or privacy
tone, voice can be sent by pressing bar.
With touch-dial, after a brief calling tone Hands-free
conversation is available.
With touch-dial, a continuous calling tone is sent.
Hands-free Conversation is available when called party
depresses, the or key
When calls are unwanted, turn ON Privacy SW. Then, a
brief privacy tone sounds when called . By t urning off
Privacy SW or touching any key ( key)
or picking up a handset, conversation becomes
available.
When called by Continuous Calling Tone, conversation
is possible by picking up handset.
Calls can be made just by touching the
or
key.
Without picking up handset when called by
Continuous Calling Tone.
Voice switch conversation is available automatically,
when two parties speak in hands-free mode.
One-way conversation is available by a party who
presses . Releasing the bar w ill reverse
the one-way conversation flow.
Full duplex conversation is available when one or two
parties are speaking using a handset.
Stations *2
Without
Privacy SW
HF-650M
H F-640S
TL-600M
*2
TL-600S
*2
With
Privacy SW
HF-660M
HF-600M,
610M
HF-620M,
630M
HF-631M
HF-600S
HF-610S,
620S
HF-630S,
631 S
HF-660M
HF-600M
HF-610M
H F-600S
HF-610S
All stations except
HF-640S
HF-640S
HF-650M
HF-640S
HF-650M
—
TL-600M/S
*2
—
HF-640S
HF-650M
H F-640S
HF-650M
TL-600M/S
*2
HF-640S
HF-650M
H F-660M
HF-600M/S
HF-610M/S
620M/S
H F-630M/S
631 M/S
H F-660M
HF-600M/S
HF-610M/S
620M/S
630M/S
631 M/S
HF-660M
HF-600M/S
HF-610M/S
HF-620M/S
HF-630M/S
HF-631M/S
HF-660M
HF-600M/S
HF-610M/S
Same as
"Privacy"
HF-660M
HF-600M/S
610M/S
HF-620M/S
HF-630M/S
631 M/S
HF-660M
HF-600M/S
HF-610M/S
HF-620M/S
HF-630M/S
631 M/S
HF-660M
HF-600M/S
610M/S
HF-620M/S
630M/S
H
F-631
M/S
Privacy
SW
ON/OFF
ON/OFF
ON
ON
ON/OFF
OFF
OFF
ON
ON
ON
ON/OFF
ON/OFF
ON/OFF
SystemtypesPVNP*1 This function may be employed for the industrial type of station (Model HF-650M) or in the "P V" type system that needs to be continu-
ously called.
*2 All stations other than the TL-600M/S (Intended for exclusive use in NP type system) may be used in both the PV and NP type system.
Speech functions

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