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Pub.  42004-645L2C

Model 723-801 SmartSeries

®

 Remote Subset Amplifier

Page:  11 of 15

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

Audio Transmit Level

Use the control labeled 

XMIT LEVEL

 (Ref. 4 on the Handset Amplifier PCBA) to adjust the handset

microphone gain level for page and party lines.

Handset Receiver Volume

Use the control labeled 

RCVR VOL

 (Ref. 1 on the Handset Amplifier PCBA) to adjust the handset

receiver volume level for voice signals from a party line.

Tone Volume

Use the control labeled 

TONE VOL

 (Ref. 3 on the Handset Amplifier PCBA) is used to adjust tone

volume level at the handset receiver.

Station Reset

Use the control labeled 

RESET

 (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 qualified GAI-Tronics personnel with the appropriate test equipment should make
adjustments.  Tampering with these controls may void your warranty.

AGC Threshold

The control labeled 

AGC THRESH 

(Ref. 5 on the Handset Amplifier PCBA) sets the level at which

Automatic Gain Control (AGC) circuit begins to limit the handset microphone signals.

FSK Transmit Level

The control labeled 

XMIT LEVEL 

(Ref. 6 on the FSK Modem PCBA) adjusts the level of the frequency

shift keying (FSK Transmit LED) signal to the page line.

Sidetone Volume

The control labeled 

SIDETONE 

(Ref. 2 on the Handset Amplifier PCBA) adjusts the handset sidetone

(portion of the microphone audio that is fed to the handset receiver).

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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