Telecoil Testing 121
Chapter 7: Telecoil Testing
Telecoil testing is available on serial number 940000 and above, manufactured in September, 1994
and later. Testing with the Telewand is available with software version 3.60 and above.
7.1 Setup with the Telecoil Board
1. Set up the hearing aid in the usual way, by connecting it to the correct coupler and insert the
test microphone. You may use either a normal hearing aid battery or a battery substitution
pill to power the aid.
2. Place the telecoil board close to the FP40 as shown in Figure 7.1A.
CAUTION
ELECTRICAL SHOCK HAZARD.
DO NOT REMOVE INSTRUMENT COVER.
REFER SERVICE TO QUALIFIED PERSONNEL.
EXTERNAL
POWER
ON
OFF
HEADPHONES
EXTERNAL
SPEAKER
VIDEO MONITOR
SERIAL
INTERFACE
FRYE
ELECTRONICS, INC.
®
EXTERNAL
SPEAKER
TELECOIL BOARD
Figure 7.1A Telecoil setup
3. Connect the telecoil to the back of the FP40 at the jack marked external speaker.
4. Press F1 – MENU from the Main Coupler screen in order to enter the Setup Menu.
5. Use the AMPLITUDE and FREQUENCY knobs to select MAIN F2 under FUNCTION KEY
DEFIN.
6. Press START/STOP repeatedly to select TELECOIL.
