Approved Facilities
This apparatus has been approved for use of the following facilities:-
1.
Loudspeaking n
2.
condition (Jin
3.
Audible and visual alarm indication of incom1
4.
Installation access using special tools only.
5.
External mains to D.C. power supply
(9
volts) supplied with each instrument, Part
No. RAIOS0/1000.
6.
Provision for external induction loop for hearing aid
7.
Provision to int
applications, set
IP switch on installation.
8.
Provision to connect external extension bell.
9.
Provision to enable automatic clear down of call loop, either fixed timeout or
timeout after loss of incoming speech, approx.
l
.
Jnin. Set by DIP switch on
installation.
l
0. Mounting flush to vertical surface, a back bo
'knock outs' for
access. An optional
(protruding) wall mounting is available.
11. Up to three 'Autodial' keys, initiate
pre-programmed series of digits, (24 digits
max. per key).
12. Selectable Loop Dial or DTMF dialling, set by DIP switch on installation.
3.
Optional 'CLEAR' keyor1RA711/1012 and
is inconvenient.
14. With a PBX with or without secondary dial tone.
-2 -
e auto call clear d