Panasonic WX-LA20 Manual 

Manual  for Panasonic WX-LA20 Accessory, Kitchen Appliances (1 pages)

Specifications:

339/339684-wxla20.pdf file (21 Dec 2023)
  • Manufacturer: Panasonic
  • Category of Device: Accessory, Kitchen Appliances
  • Document: WX-LA20, File Type: PDF Manual 
  • Updated: 21-12-2023
  • Count of Pages: 1
Download WX-LA20 Manual (1 pages)

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Data: UPD 21st December 2023

Panasonic WX-LA20 Accessory, Kitchen Appliances PDF Manual  (Updated: Thursday 21st of December 2023 07:07:41 PM)

Rating: 4.6 (rated by 51 users)

Compatible devices: SH-FX65 - Wireless Audio Delivery System, PIMITES GS1, WS-A80, PM-25 Series, EY3654 - 7.2V CAULKING GUN, SB-AK230, KX-HNS103, HG-T1010.

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Text Version of Panasonic WX-LA20 Accessory, Kitchen Appliances Manual (Summary of Contents)

(Ocr-Read of Document's Main Page, UPD: 21 December 2023)


 

 
The Effect Sound Field Amplification has 
on Teacher Vocal Abuse Problems 
(Summary) 
 
Laurie Allen, M.A. CCC-Aud. 
Keystone Area Education Agency,  Dubuque, Iowa 
 
During the 1994-95 school year approximately 56% of 141 Dubuque, Iowa public 
elementary school teachers reported that they typically suffer from vocal 
abuse/fatigue problems at least once during each school year. 60% (85 total) of 
these teachers had never used sound field amplification equipment. It was 
estimated that these teachers took a total of 59 sick days each school year 
because of vocal maladies (.7 sick days per teacher).  40% (56 total) of the 
teachers did have experience using sound field classroom amplification 
equipment. It was estimated that when these teachers were without the 
amplification equipment, they averaged 52 sick days per year because of voice, 
jaw, or throat problems (.93 sick days per teacher). However, when they used the 
amplification equipment, they estimated that they took only 19 sick days per year 
(.34 days/ teacher). 
 
It should be noted that about half of the teachers in this subgroup had histories of 
chronic voice problems.  Almost all of the teachers reported that the sound field 
amplification equipment was user friendly and made it easier for them to project 
their voices throughout the classroom. 
 
This data suggests that an increased use of sound field amplification equipment 
would result in substantial annual savings for the school district in substitute 
teacher pay. The Dubuque Community Schools currently employs approximately 
650 full time teachers. Their substitute teacher pay is approximately $62 per day. 
12-14 unused sick days saved by the district would cover the cost of an 
additional classroom amplification system. 
 
 
 
 
[email protected] 
877.268.7215 
 





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