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701-904RF SmartSeries Handset/Speaker
Amplifier with Auxiliary Jack
Confidentiality Notice .....................................................................................................................1
General Information .......................................................................................................................1
Product Overview ................................................................................................................................... 1
System Requirements and Limitations ................................................................................................. 1
Features and Functions .......................................................................................................................... 1
Description of Major Components ........................................................................................................ 2
External Components ............................................................................................................................................ 2
Internal Components ............................................................................................................................................. 3
Block Diagram ......................................................................................................................................... 4
Interfaces ................................................................................................................................................. 5
Installation ......................................................................................................................................5
Operation .........................................................................................................................................6
Handset Operation .................................................................................................................................. 6
Page Announcement ............................................................................................................................................. 6
Party-Line Conversation ....................................................................................................................................... 6
Auxiliary Headset Operation ................................................................................................................. 7
Page Announcement ............................................................................................................................................. 7
Party-Line Conversation ....................................................................................................................................... 7
Optional Features .................................................................................................................................... 8
Maintenance ....................................................................................................................................8
Adjustments ............................................................................................................................................. 9
Minimum Level Adjustment ................................................................................................................................. 9
Offset Level Adjustment ....................................................................................................................................... 9
VLC Level Adjustment ......................................................................................................................................... 9
Internal Adjustments ............................................................................................................................ 10
Sidetone Volume and Handset Receiver Volume ............................................................................................... 10
Troubleshooting .................................................................................................................................... 11
How to Diagnose Assembly Faults ....................................................................................................... 12
Specifications ................................................................................................................................14
Replacement Parts ................................................................................................................................ 14
GAI-TRONICS 3030 KUTZTOWN RD. READING, PA 19605 USA
610-777-1374 800-492-1212 Fax: 610-796-5954
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O N T E N T S
Pub.: 42004-742L2A
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Summary of Contents for Hubbell GAI-TRONICS SmartSeries 701-904RF
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Page 1: Table Of Contents
Pub.: 42004-742L2A G A I - T R O N I C S ® A H U B B E L L C O M P A N Y 701-904RF SmartSeries Handset/Speaker Amplifier with Auxiliary Jack A B L E O F O N T E N T S Confidentiality Notice ........................1 ... -
Page 2: Confidentiality Notice
. 42004-742L2A G A I - T R O N I C S ® A H U B B E L L C O M P A N Y 701-904RF SmartSeries Handset/Speaker Amplifier with Auxiliary Jack Confidentiality Notice This manual is provided solely as an operational, installation, and maintenance guide and contains sensitive business and technical information that is confidential and proprietary to GAI-Tronics. -
Page 3: Description Of Major Components
Pub. 42004-742L2A 2 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Description of Major Components The 701-904RF Handset/Speaker Amplifier includes external components accessible to the user as well as internal components or subassemblies. External Components As shown from the front in Figure 1, the assembly includes a handset and cradle. When the handset is lifted from the cradle or replaced in the cradle, a hookswitch (an RF controlled switch circuit) in the unit signals the appropriate status to the microcontroller within the assembly. -
Page 4: Internal Components
Pub. 42004-742L2A 3 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Internal Components As shown from the side in Figure 2, the assembly contains the following components or subassemblies: Chassis Front panel affixed to the front of the chassis ... -
Page 5: Block Diagram
Pub. 42004-742L2A 4 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Block Diagram The P1 connector on the back of the Speaker Amp/Power Supply PCBA plugs into a socket in an ® enclosure connected to the system cable, accessing the Page/Party lines and ac power. -
Page 6: Interfaces
Pub. 42004-742L2A 5 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Interfaces The assembly interfaces to the system cable an external loudspeaker and auxiliary devices via P1, a 16- pin connector. All connections to the system cable are made by qualified installation technicians during the system installation. -
Page 7: Operation
Pub. 42004-742L2A 6 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Operation This section describes operating the SmartSeries Handset/Speaker Amplifier with Auxiliary Jack with either the handset or the auxiliary headset, if equipped. Note regarding the busy tone: A busy tone is heard in the receiver when either of the following occurs: ... -
Page 8: Auxiliary Headset Operation
Pub. 42004-742L2A 7 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Auxiliary Headset Operation The auxiliary headset allows the user to make page announcements and conduct party-line conversations hands-free from up to 30 feet from the station, while providing noise reduction for hearing protection. When an auxiliary headset/cable assembly is plugged into the auxiliary jack, a party-line connection is automatically established (the same as lifting the handset). -
Page 9: Optional Features
Pub. 42004-742L2A 8 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Optional Features The following features are available as options to the standard configuration of a station used in an ADVANCE system and installed in a standard SmartSeries or a custom enclosure. These features can be configured. -
Page 10: Adjustments
Pub. 42004-742L2A 9 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Adjustments The User Adjustment Control is located beneath the GAI-Tronics nameplate on the front panel. Refer to Figure 1. It is used to make all user adjustments normally required for installation. Loosen the two screws on the GAI-Tronics nameplate and rotate it counterclockwise to access the adjustment hole. -
Page 11: Internal Adjustments
Pub. 42004-742L2A 10 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY To adjust the VLC Level: 1. Force the station into the VLC mode by having someone execute a page from a station programmed by the MCU to activate the VLC function. 2. -
Page 12: Troubleshooting
Pub. 42004-742L2A 11 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Troubleshooting The following table lists some hints to aid technicians in troubleshooting. Problem Possible Solution Any problem with Remove the assembly from the enclosure and examine it carefully for obvious station performance faults such as unconnected plugs, loose connections where the wires from the handset and hookswitch connect to the Handset/FSK/P PCBA, and so on. -
Page 13: How To Diagnose Assembly Faults
Pub. 42004-742L2A 12 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY How to Diagnose Assembly Faults When the assembly is in an ADVANCE system that includes a vacuum fluorescent display (VFD), faults may be automatically detected, transmitted to the MCU in data messages, and displayed or printed. Fault messages and possible solutions for their causes are described in the table below. - Page 14 Pub. 42004-742L2A 13 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Fault Message Cause and Effect Possible Solution Supervised Audio Cause—The station is detecting no ambient Verify that the speaker Path noise at the speaker or is detecting an ambient wire is connected and noise lower than the configured failure intact.
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Page 15: Specifications
Pub. 42004-742L2A 14 of 14 701-904RF S MART ERIES ANDSET PEAKER MPLIFIER WITH UXILIARY Specifications Electrical Supply voltage ............... 90 to 140 V ac (120 V ac nominal), 50/60 Hz Power consumed @ nominal ac ... Zero/maximum signal (12 watts): 15 VA, 9 watts/59 VA, 32 watts Speaker Amplifier Output ................ - Page 16 Warranty Equipment. GAI-Tronics warrants for a period of one (1) year from the date of shipment, that any GAI-Tronics equipment supplied hereunder shall be free of defects in material and workmanship, shall comply with the then-current product specifications and product literature, and if applicable, shall be fit for the purpose specified in the agreed-upon quotation or proposal document.
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