Framingham, MA 01701-9168
SIZE
A
FSCM
32108
CLASS
RF
DWG NO.
273139
SHEET
22 of 25
REV.
01D
Low Power Mode Operation
When operating in Low Power Mode the headset shall have the following current
draw characteristics on the head in 85dBA red noise:
Current Draw
TTH
TTH Series 2
Less than 16mA RMS
and less than 180mA
peak under any
condition, except
during turn-on
Less than 16mA
peak under any
condition, except
during turn-on
In Low Power Mode, the headset shall have the following functional
characteristics:
Functional
Characteristics
TTH TTH
Series 2
Active ANR
3
Selectable Talk-through
3
3
Powered Output Level
3
Powered Frequency
Response
3
Inactive microphone
preamplifier output
3
Not Applicable
Unpowered Mode Operation
When operating in Unpowered Mode the headset shall have the following current
draw characteristics on the head in 85dBA red noise:
Current Draw
TTH
TTH Series 2
Less than 1mA RMS
Less than 1mA RMS
In Unpowered Mode, the headset shall have the following functional
characteristics:
Functional
Characteristics
TTH TTH
Series 2
Inactive ANR
3
3
Selectable Talk-through
3
3
Unpowered Output Level
3
3
Unpowered Frequency
Response
3
3
Inactive microphone
preamplifier output
3
Not
Applicable
