Toa VS-900 - Manual (Page 13)

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CHAPTER 1. SUBSTATION OPERATION
2. SUBSTATION OPERATION
2.1. Calling
2.1.1. Calling with the Call Button
Step 1. Press the call button on the panel.
Calls the designated master station.
The call lamp flashes (RS-180 and RS-190
only).
[System pre-programming]
The master station corresponding to each substation
must be registered by system programming at the time of
installation.
Step 2. If the master station responds, a brief call tone is
sounded.
The call lamp mode changes from flashing to
steady-on state (RS-180 and RS-190 only).
Speak toward the panel.
Note
Lifting the handset permits handset
conversation when the RS-191 is combined
with the RS-190.
Step 3. If the master station replaces the handset or
presses the [C] key, the conversation is
terminated.
The call lamp is extinguished (RS-180 and
RS-190 only).
Note
Replacing the handset terminates the
conversation when the RS-191 is combined
with the RS-190.
Brief call tone
then