freemate DA-275 Owner'S Manual Download

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WARRANTY CARD

Note : THIS WARRANTY CARD WILL BE VOID IF IT IS

NOT MAILED BACK TO OUR COMPANY WITHIN
10 DAYS FROM DATE OF PURCHASE,
WARRANTY CONDITIONS
(PLEASE SEE OVERLEAF)

Mr./Mrs./Miss/Co.

Telephone No.

Address

Model No.

Brand

Serial No.

Invoice No.

Dealer

Date of Purchase

Summary of Contents for DA-275

Page 1: ......

Page 2: ...Telephone Headset Amplifier Owner s Manual DA 275...

Page 3: ......

Page 4: ...learn the functions provided 1 Features Overview 2 How to install Stage 1 Installing batteries Stage 2 Connecting to your telephone headset and Computer 3 How to test before use Stage 1 Checking for...

Page 5: ...04 1 Features Overview...

Page 6: ...ation with your caller If the battery test indicator does not light by pressing mute button replace all the batteries Operational battery life not less than 2 000 hours 6 External power supply jack Yo...

Page 7: ...controller DA 275 ONLY Adjust PC listening volume only when it s low or loud 17 Security cover 18 Battery cover 19 Telephone curly cord Connect this cord between telephone and amplifier 20 Computer co...

Page 8: ...lace the battery cover Press the Mute button to confirm if the batteries are well fitted or not Note Alternatively if you want to use AC power supply Not included you can connect AC adapter 3V DC OUT...

Page 9: ...cabinet Notes When you use a monaural headset slide the knob to the right M Feafure no 23 And when you use a stereo headset supplied by us slide to the left S DA 275 ONLY 4 Connect a computer cord su...

Page 10: ...setting adjust the compatibility switch between telephone and amplifier as follows 1 Remove the Security cover which is located on the side of amplifier 2 Slide the compatibility switch by clicks unti...

Page 11: ...e following adjustments for the best set up 1 If there is beep sound slide the Transmission volume controller to the right side for low volume And if Listening Transmission is low slide Transmssion vo...

Page 12: ...too big or too low even though you did all the above settings it may be bad telephone line condition or low output of telephone transmission level If the TX volume is too big place switch no 1 to OFF...

Page 13: ...In a stereo headset supplied by us slide the knob to the left S to enjoy stereo sound Notes If it s positioned to the right M by using our stereo headset or if it s not our supplied headset it cannot...

Page 14: ...r audio device at the same time DA 275 ONLY Press TEL PC button for internet phone call telephone call and computer music or audio Adjust PC listening volume controller for optimal sound and dial afte...

Page 15: ...ior recorder Operated recording function of the computer or exterior recorder You may need this record for your job references or to report the record to the other party or your boss 3 Mute If you pre...

Page 16: ...n feature no 3 lift the handset dial after listening dial tone Off hook lever use option Off hook Lever eliminates the need for you to lift the handset just pull the lever when the telephone rings you...

Page 17: ...own for handset use and push up for headset operation CALLER S VOICE IS LOW OR DISTORTED 1 Adjust the Listening Volume Controller on the amplifier feature no 2 2 If there is a dip switch on the side o...

Page 18: ...rectly in front of your mouth but near the corner of it smiliar to the way you position the telephone handset In this position you can pick up the sound waves from your speech but not the air moving f...

Page 19: ...ls transportation to and from the service station is the responsibility of the purchaser This warranty does not cover damages due to accident fire flood earthquake and or other acts of God misuse inco...

Page 20: ...CARD WILL BE VOID IF IT IS NOT MAILED BACK TO OUR COMPANY WITHIN 10 DAYS FROM DATE OF PURCHASE WARRANTY CONDITIONS PLEASE SEE OVERLEAF Mr Mrs Miss Co Telephone No Address Model No Brand Serial No Inv...