GAI-Tronics 476-002 Centra-Page Flush-Mount Station - Manual (Page 6)

Pub. 42004-216B
Model 476-002 Centra-Page Flush-Mount Station Page: 6 of 7
\\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-216b.doc
08/05
Operation
1. To generate a page, lift the handset, and check for an available party line.
2. Press the handset pressbar, and announce the page indicating which page line to use. The page is heard
over the system speakers.
3. Release the pressbar and wait for a reply.
4. The paged individual goes to a handset station, uses the page line selector to select the specified party
line, and lifts the handset to reply. Full-duplex communication can then take place.
Specifications
Electrical
Handset:
Microphone .................................................... 10 ohms; pressure differential, noise-canceling dynamic
Receiver .................................................... 150 ohms; high efficiency dynamic, hearing aid compatible
Cable ................................................................................... Retractile, 6 feet (1.82 m) extended PVC
Material ..................................................................................................................... Light gray ABS
Controls ................................................................................................................... Handset pressbar
Frequency response................................................................................................ 200-2,000 Hz, +/-3 dB
Distortion .......................................... Microphone input to receiver output 2% (nominal line level at 1 kHz
Sidetone rejection................................................................................. 14 dB (nominal line level at 1 kHz)
DC line current ............................................................................................... Each handset: 8 mA typical
Mechanical
Construction/finish............................................................................. Cold-rolled steel/ gray baked enamel
External controls...................................................................................... Rotary party line selector switch
Mounting.................................................................................................................... Flush-mount in wall
Connections .............................................................................. Internal screw-type barrier terminal blocks
Operating temperature range ................................................................ -22º F to +140º F (-30º C to 60º C)
Dimensions:
Front panel .............................................................................. 6 H
× 3.5 W inches (152.4 × 88.9 mm)
Behind panel..................................................................................................... 3.75 inches (95.2 mm)
Cutout ........................................................ 2.5 W
× 4.86 H × 2.5 D inches (63.6 × 123.6 × 63.5 mm)
Shipping weight ................................................................................................................. 6.8 lbs (3.1 kg)
Approvals
NRTL approved for use in US and Canada for the following hazardous locations:
Intrinsically safe for............................................. Class I, Div. 1, Groups C and D hazardous locations
when installed in accordance with Control Drawing No. 72979. Exia
Listed for use in................................................... Class I, Div. 2, Groups C and D hazardous locations
when installed in accordance with Control Drawing No. 72979