Intercall 600/700 Installation & Operation Guide Issue 4.27 Page 48 of 78
L762 Audio Call/Display Unit.
The L762 Call/Display Unit provides all the combined features of the L752 Audio call point and L758 Audio LCD
display. It features 7 levels of call, hands free two way intercom, integral infra red receiver, integral LCD display, audio
page facility, audible call re-assurance, re-assurance LED and ‘another call’ sounder. The trigger socket will accept
pear leads, pressure mats, portable radio triggers and a host of other triggering devices. The unit flush mounts into a
standard double gang backbox or may be surface mounted using the Intercall BB1. The integral LCD display unit may
be configured to operate in one of three modes: Normal Display where all calls are shown & sound regardless of the
call point mode. Silent Display where calls are shows call but only sound when the call point is in Nurse Present Mode,
and Nurse Present Only where calls will only show and sound when the call point is in Nurse Present Mode.
Emergency and Attack calls are shown in all call point modes. The X1 and X2 remote trigger inputs feature a
secondary description facility where details for the remote device may be programmed. For example “En-Suit” or
“Ceiling Pull Switch” may be allocated to these inputs. Please refer to the information contained on page 22 for more
information regarding installation and performance of the Infra Red receiver.
Network Terminals: Connect to the Intercall 700 4 wire Network. [A,B,+, –] OBSERVE POLARITY
X1 Terminal: Standard Call Input – automatically generates System User-id 3.
X2 Terminal: Emergency Call Input – automatically generates System User-id 4.
L1 Terminal: Output signal for remote presence green LED units.
Max load 12v 10mA
L2 Terminal: Output signal to drive ceiling pull switches with built in re-assurance lights.
Max load 12v 10mA
- Terminal: Additional Network negative common terminal for auxiliary connections.
Address Switches: Set to unique setting between 1 and 215.
Re-assurance LED: Slow Red flashing – Standard Call
Faster Red flashing – Priority Call
Slow Red/Green flashing – Assistance Call
Rapid Red flashing – Emergency/Crash Call
Green flashing - Accepted Call – Staff on their way / Paging from Call Point
Constant Green – Nurse Present Mode
Audio gain control: Controls the speech level output from the call point. This does not effect the volume from the
speaker in the call point.
IR Receiver: Typically, the unit will cover a room 6m x 6m. Important: Refer to notes on Page 22.
Integral LCD: Two line, 32 character alphanumeric display.
Installation: Flush mount using standard ‘double size’ electrical backbox or surface mount using BB1
Size & Weights: 160 x 115 x 25 mm 135g
Intercall 600
8
Intercall 700
9
Very Important: When flush mounting in metal backbox, ensure the backbox is bonded to mains electrical earth.
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