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Power                           

- 3.7 V rechargeable lithium polymer battery
- >10 hour battery life when operating
- Over voltage, under voltage, over current and over temperature protection
- Charge source: 12V nominal (9V-16V), 150mA minimum
- Charge time: 5 hours at 9V 

Environmental 

- Operating temperature -10 to +70o C
- Storage temperature -25 to +85o C
- Meets standards SAE J1455 and J1113
- Chemical resistance to corrosion and humidity per MIL-STD-810

FCC/IC Compliance                            

This device complies with FCC Part 15 Rules and IC RSS-213 Rules. Operation is subject to
the following two conditions:

1 This device may not cause harmful interference.
2. This device must accept any interference that may be received, including interference that 

may cause undesired operation.

FCC/IC RF Exposure Warning                           

- This product complies with FCC radiation exposure limits set forth for an uncontrolled 

environment.

- This product may not be collocated or operated in conjunction with any other antenna or 

transmitter.

- This headset has been tested and meets the FCC RF exposure guidelines. Max. SAR is 

0.003 W/ kg.

Changes or modifications not expressly approved by Firecom can void the user’s
authority to operate the equipment.

Summary of Contents for FHW-Series

Page 1: ...dset Series UHW Series Under the Helmet FHW Series Over the Head Operation Manual 7340 SW Durham Road Portland OR 97224 USA Phone 503 684 6647 1 800 527 0555 Fax 503 620 2943 email sales firecom com www firecom com ...

Page 2: ......

Page 3: ...ly encoded interference free communications When operated as part of a wireless system up to 50 headsets can operate interference free in close proximity to each other Under the Helmet Headsets Adjustable headstrap Volume control Push To Talk PTT button Adjustable headstrap UH Over the Head Headsets Push To Talk PTT button Volume control Adjustable headband Adjustable headband FH ...

Page 4: ...dband spring will negatively impact the hearing protector s performance and hearing damage could occur Federal law requires the following statements Although hearing protectors can be recommended for protection against the harmful effects of impulsive noise the Noise Reduction Rating NRR is based on the attenuation of continu ous noise and may not be an accurate indicator of the protection attaina...

Page 5: ...tween the base station and the headset will become possible Out of Range Warning All wireless headsets incorporate an out of range warning to warn the user against exceeding the coverage range of the headset The headset will sound a 1 second cautionary beep every 10 seconds when the headset is at the fringes of the coverage range and before the headset goes completely out of range and looses its l...

Page 6: ...the audio and or deterioration in clarity of intercom and radio communication LED Indicators All headsets have one green and one red externally viewable LED indicator located on the left ear dome same side as boom microphone These two LEDs operate as follow UnitOff Charging Green LED RedLED SteadyON Fully Charged Charging Flashing Slow UnitOn Green LED RedLED Audible SteadyON Connected to Base Fla...

Page 7: ...te the micro phone for intercom communication Radio transmitting is not possible with the 40 models Pairing Procedure 1 Press and hold the pairing button on the front panel of the base station for approximately 5 7 seconds until the yellow LED s on the front panel of the base station start flashing indicating that the base station has entered pairing mode Once the base station is placed in pairing...

Page 8: ...eshold There are nine settings available depending on the average ambient noise levels as indicated in the graph above 5 To test the selected setting without exiting microphone adjustment mode turn power off momentarily a few seconds to the headset then turn it back on 6 Test the microphone to see if you have chosen the desired microphone sensitivity Noise Gate Threshold combination If not repeat ...

Page 9: ...n a positive center terminal of the 2 1mm charger jack as shown in the illustration 2 Firecom does not recommend operating the headset while the headset is being charged It is recommended that the headset be charged only when it s not being operated and with the power switch on the headset turned off Firecom recommends charging the wireless headset using the supplied 9VDC regulated wall adapter wh...

Page 10: ...e microphone is water resistant to ensure a longer life keep the microphone away from moisture when possible Do not store in direct sunlight or in areas of high temperature Specifications Headset Sensitivity 104dB re 20 uPa 1000 Hz 1 mW Frequency Response 300Hz 3 4 KHz 3dB Impedance 32 ohms nominal per speaker Weight FHW Series 19 50z Weight UHW Series 17 80z Microphone Frequency Response Optimize...

Page 11: ... IC RSS 213 Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference that may be received including interference that may cause undesired operation FCC IC RF Exposure Warning This product complies with FCC radiation exposure limits set forth for an uncontrolled environment This product may not be collocat...

Page 12: ...l returned products must be shipped to our address freight prepaid accompanied by a dated proof of pur chase The purchaser voids this warranty if he she or others attempt to repair service or alter the product in any way This warranty does not apply in the event of accident abuse improper installation unauthorized repair tampering modification fire flood collision or other damage from external sou...

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