14
To ensure optimal performance of an HLD7 hearing loop driver, set-up
should be performed in following order:
Step 1: Background Noise Level
(see page 15)
Step 2: Metal Loss
(see pages 15-16)
Step 3: Output Level and Clipping
(see page 16-17)
Step 4: Field Uniformity
(see page 17)
Step 5: Final Output Level Adjustment
(see page 18)
Step 6: Input Signal Level Adjustment
(see page 18)
Set-Up
Note:
Throughout set-up, record values on the provided Compliance
Certificate
document whenever you see the following icon:
The Compliance Certificate document confirms compliance with
IEC-60118:4 if your values are within acceptable levels.
It is highly recommended that you retain a copy of the completed
Compliance Certificate document for your records and provide a copy
to the relevant facilities manager.
• TSG - Contacta Test Signal Generator (TSG1)
•
FSM - Contacta Field Strength Meter (IL-CONTACTA-FSM)
•
Tripod or similar for mounting the FSM is recommended
•
‘Compliance Certificate’ document
Required for Set-Up
