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Pub. 42004-645L2C

Model 723-801 SmartSeries

Remote Subset Amplifier

Page: 15 of 15

d:\standard ioms - current release\42004 instr. manuals\42004-645l2c.doc
01/04

Specifications

Electrical

Supply Voltage .............................................................................. 90 to 140 V ac (120 V ac nominal), 60 Hz

Power Consumed.............................. Zero/maximum signal (12 watts): 15 VA, 10.5 watts/53 VA, 34 watts

Speaker Amplifier

Output ................................................................................. 12 watts minimum, with nominal supply voltage

Output Limiter ........................................................................ 13 watts typical (adjustable via configuration)

Frequency Response......................................................................... 350 to 6,500 Hz, +0/-3 dB, ref. to 1 kHz

Distortion ........................................................................................... 1% maximum THD @ 1 kHz, 12 watts

SmartVolume™

Monitor Range (low gain) .................................................................................................... 62 to 100 dB SPL

Offset (above ambient) User Level Adjustment.............................................................................. 0 to 49 dB

Minimum User Level Adjustment ................................................................................ Off; 85 to 125 dB SPL

Speaker/Wire Monitor

Fault Set Point ................................................................................ 35 dB SPL (adjustable via configuration)

Note

: The measured SPL varies for each speaker type.

Recommended Environment....................................................................................... Greater than 50 dB SPL

Data Communications

FSK Output to Line ................................................................................ 0.7 V

RMS

(2 Vp-p) into 33-ohm load

FSK Frequency Range.................................................................................................................. 30 to 33 kHz

Handset Amplifier

Output ...................................................................................................... 1.5 V

RMS

nominal into 33-ohm load

Frequency Response.......................................................................... 350 to 6,500 Hz, +0/-3 dB ref. to 1 kHz

Distortion ........................................................................................................ 1.5% maximum THD @ 1 kHz

Mechanical

Dimensions ............................................... 8.12 H

8.12 W

6.12 D inches (206

206

155 mm), overall

User Level Adjustment through hole behind nameplate

Internal Controls ............. AGC Threshold, Audio Transmit Level, FSK Transmit Level, Receiver Volume,

Aux. Receiver Volume, Sidetone Volume, Station Address, Reset, Tone Volume

Environmental

Temperature Range ......................................... -22 °F to +158 °F (-30 °C to +70 °C), operating and storage

Humidity......................................................................................................................... 95%, non-condensing

Approval

NRTL certified for use in US and Canada for...........................................Class 1, Div. 2, Groups A, B, C, D

When used with a certified Model 7245 Series Enclosure

Содержание Gai-Tronics SmartSeries 723-801

Страница 1: ...egral part of GAI Tronics desktop desk edge and flush mount stations It has been designed to be remotely mounted with the enclosure allowing the associated subsets to be mounted on a desktop on the ed...

Страница 2: ...problems Monitors and reports problems with handset amplifier the speaker amplifier and speaker voice coil to the MCU Supervises the local speaker desk edge and flush mount stations only Monitors and...

Страница 3: ...components are described below ExternalComponents User Level Adjustment This assembly contains a User Level Adjustment that is accessible beneath the nameplate on the front panel See Figure 1 The User...

Страница 4: ...d to the Base 24 PCBA The FSK Modem PCBA enables data to be transferred between the station s CPU and the control unit Handset Amplifier PCBA This assembly is affixed to the FSK Modem PCBA The Handset...

Страница 5: ...s ac power to the Bias Power Supply PCBA and receives 5 V dc and 15 V dc in return The Base 24 PCBA uses the bias supplies and also passes them as well as control monitoring and line signals to the FS...

Страница 6: ...rican Zettler AZ830 4C 12DSEA or Aromat DS4E S DC12V The installation procedure for the Model 723 801 SmartSeries Remote Smart Amplifier is as follows 1 If your enclosure contains an I2 C Module optio...

Страница 7: ...ivot the nameplate clockwise into position then tighten the 2 screws Offset Level setting This setting determines the speaker output level above ambient noise The amplifier automatically adjusts the s...

Страница 8: ...e 2 Pivot the nameplate counterclockwise exposing the access hole A guide behind the access hole helps direct the screwdriver to the USER ADJ control 3 Have an assistant page from a station that meets...

Страница 9: ...tem configuration It is recommended that this address be marked on the enclosure for future reference 4 Plug the amplifier into the enclosure 5 Setting the station address to the correct value and re...

Страница 10: ...adjustments To access the controls perform the following steps 1 Loosen the 4 captive screws that secure the front panel 2 Remove the assembly from the enclosure If the enclosure is equipped with an...

Страница 11: ...ESET on the Base 24 PCBA to reset the central processing unit CPU Other Controls This assembly contains the following additional controls These controls affect system performance therefore only qualif...

Страница 12: ...el as appropriate Refer to the Adjustments section of this document Incoming handset speech level needs adjustment Use the RCVR VOL control to adjust the handset receiver volume Refer to the Adjustmen...

Страница 13: ...on Polled Device Paging Pressbar Depressed Cause The station has been in page mode longer than the configured page limit Effect Station page is cut off When the pressbar is released a restore message...

Страница 14: ...es communication with the station This may occur if there is a fault in the page line if the station is powered down or if there is some fatal malfunction within the station Effect The MCU continues t...

Страница 15: ...Point 35 dB SPL adjustable via configuration Note The measured SPL varies for each speaker type Recommended Environment Greater than 50 dB SPL Data Communications FSK Output to Line 0 7 VRMS 2 Vp p i...

Страница 16: ...be Buyer s sole and exclusive remedy and in no event shall GAI Tronics warranty obligations with respect to services exceed 100 of the total cost of services provided hereunder Warranty Periods Every...

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