Qmac_HF-90_user.pdf

《Qmac_HF-90_user.pdf》由会员分享，可在线阅读，更多相关《Qmac_HF-90_user.pdf（38页珍藏版）》请在收音机爱好者资料库上搜索。

1、HF-90 Operation the whip antenna is undamaged, the white antenna insulator is clean and undamaged,the red wire feeding the top of the insulator is clear of metalwork by at least 50mm and that the ground connection to the TA-90 Tuner is adequate. ?When using a tapped whip antenna always ensure that t

2、he tap selected corresponds to the channel/ frequency in use on your HF-90 radio (usually the channel/frequency is engraved next to the tap).In addition, the excess portion of the wander lead should be wrapped tightly around the antenna. HF-90 Operation 253, 254, 255, 1, 2, 3. If you have an Advance

3、d Model HF-90 you may notice, when scrolling between the lowest and highest channel number, that the display shows the word “SCAN”. This is a separate channel designated for Selcall Scan (refer to Section 6.4 of this Guide). Special Note: Advanced Model Channel configuration Once the appropriate cha

4、nnel has been selected, you are ready to commence communication.To transmit, simply press and hold down the PTT switch on your microphone/ handset (refer to Section 3.1 of this Guide). Please note that, if you are using the HF-90 in conjunction with the TA-90 autotune system, you will hear a continu

5、ous high pitched tone for a few seconds, once you have presses the PTT switch for the first time on a new channel.This is the TA-90 Tuner entering its tune sequence (refer to Section 7.1 of this Special Note: Using the TA-90 autotune system ?You should use the HF-90 in conjunction with a Q-MAC Batte

6、ry. If you plan to use any other type of batterypackyoumustcontactyourQ-MAC Representative to ensure that the battery you have chosen is suitable. ?The HF-90 must be properly connected to a suitably charged 12 - 24 Volt battery.If the set does not receive adequate voltage it will not operate properl

7、y - there may be speech distortion on transmit and the LED display will begin to dim. ?Q-MAC recommends that you have a fuse in-line with the battery cable, so as to avoid damage to the cable and battery in the event of a short circuit. ?Q-MAC offers a variety of battery charger options, so that you

8、 can charge your battery from a solar source, mains power terminal or vehicle battery. Power source Grounding ?In all manpack and portable systems, an adequate ground (earth) is essential for satisfactory operation of the HF-90 radio. ?If a counterpoise is provided with your portable antenna system,

9、 ensure this is fully extended. ?If a ground stake is provided with your portable antenna system, ensure this is placed into the ground as far as possible. ?Groundingwillalsobeimprovedwherethe surrounding soil is wet or damp. 49 Section 8.1 HF-90 Operation & Installation Guide 8 . I NSTALLATI ON Man

10、pack and portable systems When using the HF-90 in a manpack or portable system, we recommend that you use the Q-MAC Canvas Backpack or Weather-proof Fibreglass Carry Case. These are designed to house the HF-90 radio and its accessories, in a safe and convenient manner. All HF-90s which are purchased

11、 as part of a Manpack or Portable Package are supplied with a Quick Reference Guide, which explains how you can get the best results from your radio, battery and antenna system. Those users who are not supplied with a Manpack/Portable Package or Quick Reference Guide should observe the following che

12、ck-list. 48 Section 8.1 Using the HF-90 inside a backpack or carry case ?Ensure that the HF-90 is placed in a position which allows easy access for operation. ?The HF-90 must be placed in a position which allows a free flow of air through the rear heatsink (cooling fins). ?Do not leave the HF-90 exp

13、osed to direct sunlight for long periods of time. ?Clarifier up/down scroll keys The clarifier function allows you to adjust the quality of audio (to obtain maximum intelligibility) by fine tuning the pitch of the received signal. A clarifier adjustment may be required when receiving a signal which

14、is slightly off- frequency.Clarifier does not work while the set is in transmit mode and will not affect the transmit frequency. The zero in the above display indicates that the clarifier has not yet been adjusted - ie. it is at zero level. Press and release the CLAR (up) key again. This time the di

15、splay will appear as follows:- This display shows that the clarifier has been adjusted by +5 units. Section 5.4 Adjusting clarifier The CLAR keys on the HF-90 will adjust the clarifier by increments of 5 units.The clarifier function enables a maximum adjustment of ?100 units. To adjust the clarifier

16、 level on your HF-90 in an upward direction (thus increasing the receive frequency), press and release the CLAR (up) key.The first time you press the CLAR (up) key, the display will appear as follows:- 21 HF-90 Operation & Installation Guide Each subsequent press of the CLAR (up) key will increase t

17、he receive frequency by another 5 units, until the upper limit of 100 units is reached. To adjust the clarifier level on your HF-90 in a downward direction (thus decreasing the receive frequency), press and release the CLAR (down) key. The first time you press the CLAR (down) key the display will sh

18、ow the numeral zero (as illustrated on the previous page). Press and release the CLAR (down) key again. This time the display will appear as follows:- This display shows that the clarifier has been adjusted by -5 units. Each subsequent press of the CLAR (down) key will decrease the receive frequency

19、 by another 5 units, until the lower limit of -100 units is reached. Once the clarifier has been adjusted for a particular channel the new setting will remain in place until another channel is selected or until the HF-90 is switched off. When returning back to the original channel the clarifier sett

20、ing is not saved - ie. it will be set back at the zero level. Section 5.4 22 Avionics interface The HF-90 may be supplied together with an avionics interface, for installation within a fixed wing aircraft or helicopter.The complete avionics unit, incorporating the HF-90 and avionics interface, is su

21、pplied within a General Aviation(GA)frameandcomestogetherwiththe following:- ?An extended front panel incorporating all standard HF-90 controls plus a DTMF keypad. ?AseparaterearpanelincorporatingaDB-25 connector, providing all interfacing to the avionics system (refer to Section 9 of this Guide). T

22、here is one additional function offered by the HF-90 avionics unit, which is not available on the standard HF-90 Transceiver. This is outlined below. All other operations will be as per the HF-90 International Version. 47 There is an audio mute circuit incorporated within the avionics interface, whi

23、ch can be enabled or disabled via the front panel DTMF keypad. When enabled, all background noise will be muted until such time as incoming audio (or an incoming Selcall) is received.When incoming audio is received, the mute is broken so that communications are audible. If no audio is received (afte

24、r approximately three seconds), the receive signal will once again be muted. To enable or disable the audio mute, simply press down the TWO (2) and FIVE (5) keys simultaneously.These are located centre/top of the DTMF keypad. Audio mute function Section 7.2 HF-90 Operation & Installation Guide TA-90

25、 autotune system Changing channel and transmitting When using the HF-90 in conjunction with the TA-90 autotune system (for vehicle use) there are certain operating characteristics which you should be aware of.In short, whenever the HF-90 transmits for the first time on a given channel (prior to a ch

26、annel change), the TA-90 Tuner will enter its tune sequence. As the TA-90 tunes, you will hear a high pitched tone for a few seconds (only if your volume levelhasnotbeenmuted),afterwhichvoice communications can commence as normal. If you are scanning channels when you receive a valid Selcall/Telcall

27、 or Beacon Request, the HF-90 will stop scanning, lock on the relevant channel and the TA-90 will enter its tune sequence prior to transmitting the Selcall/ Telcall Confirmation or Beacon. Receiving Selcall/Telcall or Beacon Request in scan mode When you change channel and then press the PTT switch

28、on your microphone/handset to transmit for the first time, you will hear the TA-90 enter its tune sequence (as outlined above). Aside from pressing the PTT switch, your HF-90 also transmits when receiving a valid Selcall/Telcall or Beacon Request.IttransmitsbywayofaSelcall/Telcall Confirmation or Be

29、acon back to the originating radio (refer to Section 6 in this Guide).When this happens, and you have not transmitted previously on the given channel, the TA-90 enters its tune sequence prior to transmitting. 7 . COMPATI BLE PRODUCTS 46 Section 7.1 ?a) Alarm key This function is available only on th

30、e Australian Version The ALARM key is for use in emergency situations so that you can alert the RFDS (Royal Flying Doctor Service) quickly and effectively. To use the ALARM key you must be on an RFDS channel (a list of RFDS channels is printed on the “Australian Frequency List” supplied with your HF

31、-90). Once you have selected an RFDS channel you can either test the alarm function or transmit an RFDS Emergency Alarm. This display shows that the test alarm is being generated. In conjunction with the above you will hear the sound of the two-tone test alarm being generated.In this instance the al

32、arm is not being transmitted.The test alarm signal will continue sounding for sixty seconds or until another key is pressed (from the left or right key column). Section 5.5 Testing the alarm function To test the alarm function press and release the ALARM key. Your display will appear as follows:- Tr

33、ansmitting an RFDS Emergency Alarm To transmit the RFDS Emergency Alarm press and hold the alarm key for two seconds.Your display will appear as illustrated on the following page:- 23 HF-90 Operation & Installation Guide This display shows that the RFDS Emergency Alarm is being transmitted. In conju

34、nction with the above you will hear the sound of the two-tone RFDS Emergency Alarm being transmitted. The RFDS Emergency Alarm will continue to transmit for sixty seconds or until another key is pressed (from the left or right key column). Please ensure that you use the RFDSEmergency Alarm only when

35、 you have a genuine emergency situation. Important: Section 5.5 24 CHAN Send Beacon Request(DTMF keypad) InitiateSelcall Scan (DTMF keypad) (front panel keypad) Press down orto select Scan. Programming theSelcall ID Number(front panel keypad / DTMF keypad) The aboveinstruction only applies to the Au

36、stralian Version (or theInternational Version which has not been set up for Field Programming). CHAN CHAN 4 digit Selcall ID CLAR CLAR 4 digit Selcall ID 45 Section 6.6 HF-90 Operation & Installation Guide Advanced functions summary Send Selcall(DTMF keypad) Resend lastSelcall(DTMF keypad) Send Telc

37、all(DTMF keypad) Resend last Telcall(DTMF keypad) Telcall Hang-up(DTMF keypad) Below is a summary of the steps (key presses) involved in working through the advanced functions. Please note that the letter “X” is used to denote any individual number. 4 digit Selcall ID Telephone No. 4 digit Selcall I

38、D 44 Section 6.6 ?b) USB/LSB mode selection key This function is available only on the International Version The HF-90 will operate in either USB (Upper Sideband) or LSB (Lower Sideband) mode. This display shows that the channel in use (Channel 245) is set to LSB mode. Note the LSB label below the d

39、isplay window. To change the operating mode for a particular channel, first select the appropriate channel (refer to Section 5.3 of this Guide), then press and release the MODE key.The new mode will now be selected and the display will show this change. For example:- This display shows that USB mode

40、 is selected. OR . LSB Section 5.6 LSB decimal indicator If LSB channels are pre-programmed in the HF-90 or manually selected, a decimal indicator will appear on the bottom left of the display.The decimal indicator appears just above the LSB label (which is printed below the display window). For exa

41、mple, if Channel 245 is selected and it is set to LSB mode, the display appears as follows:- Changing the operating mode 25 HF-90 Operation & Installation Guide This display shows that LSB mode is selected. Subsequent presses of the MODE key will simply allow you to move back and forth between USB a

42、nd LSB modes. Once the operating mode has been changed for a particular channel, this setting will remain in place until another channel is selected or until the HF-90 is switched off. When returning back to the original channel, the operating mode is not saved - ie. it will go back to its original

43、programmed setting. This display shows that the mode selection function is “CLOSED” - ie. disabled. When you see the above message on the display you will know that the operating mode cannot be manually adjusted. Some countries have restrictions regarding the operating mode (s) which can be used on

44、an HF radio. Warning: Section 5.6 When mode selection has been disabled . Please note that if manual mode selection has been disabled on your set you will not be able to alter the pre-programmed mode settings. In this instance, when you press and release theMODEkey,yourdisplaywillshowtheword “CLOSED

45、”. It will appear as follows:- 26 When you receive an incoming Selcall/Telcall (whilst Selcall Mute is activated), the HF-90 immediately detects the incoming Selcall and breaks the mute. In other words, the volume level on the set is automatically reset to an audible level, so that you can begin com

46、munications when necessary. The incoming Selcall/Telcall is then received normally, as outlined in Sections 6.1 and 6.2 of this Guide. If you wish to reset the Selcall Mute once you have received a Selcall, simply repeat the procedure as outlined above. Please note that an audio mute (squelch) facil

47、ity is also available via the Q-MAC External Mount Speaker.Alternatively, if you have an HF-90 with avionics interface, audio mute is enabled or disabled by simultaneously pressing and then releasing the 2 and 5 keys (centre top two keys) on the DTMF keypad. Selcall Mute The Selcall Mute function is

48、 used to mute the HF-90 receiver whilst you wait for an incoming Selcall/Telcall. The Selcall Mute cuts out all noise on the receiver including voice - ie. it is not selective. You can operate Selcall Mute when the set is tuned to a particular channel or when it is in Scan Mode. Activating Selcall M

49、ute To activate Selcall Mute simply turn the VOLUME control knob in an anti-clockwise direction, until the noise level is diminished. The volume level on your set will remain at the new setting until an incoming Selcall/Telcall is received. Receiving a Selcall Special Note: Audio Mute 43 Section 6.5 HF-90 Operation & Installation Guide Selcall Scan The HF-90 Advanced Model incorporates a Selcall Scan function.Selcall Scan allows you to monitor up to eight programmed channels for incoming Selcalls/Telcalls. The optimum number of channels which should be progra