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Maintenance

Troubleshooting

Troubleshooting Guide

SYMPTOM

PROBABLE CAUSE

REMEDY

Unit does not come ON

Batteries are exhausted.

Replace batteries

No sound from speaker

Squelch threshold level too

Set to a lower

high.

threshold point.

No channel broadcast is

Move to another

being received

channel.

Volume is set too low.

Increase volume.

Cannot transmit or

Some channels are for receive

Change channel.

transmission isn’t being

only.

received.

Batteries are exhausted.

Replace batteries.

Some channels are for low

Change channels.

power only.

Output power too low.

Press H/L key for
high power.

The displayed channel cannot

The LOCK function is on.

Press an hold the

be changed.

H/L key for at
least one second.

Error tone (2 beeps) is heard

Incorrect key selection and

Select correct key.

when a key is pressed and no

the programming is limiting

unit function is performed.

key function.

APPENDIX D

Содержание VHF 725e

Страница 1: ...owner s manual and reference guide VHF 725e submersible marine radio ...

Страница 2: ...ual onto a hard drive or other electronic storage medium to be viewed for personal use provided that such electronic or printed copy of this manual contains the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual is strictly prohibited Information in this manual is subject to change without notice GARMIN Coroporation reserves the...

Страница 3: ...started on using the VHF 725e for basic radio uses The Appendix section contains reference information on items such as accessories a channel list a troubleshooting guide and the index Before getting started check to be certain that your VHF 725e package includes the following items If you are missing anything please contact your dealer immediately Standard Package oVHF 725e Unit Owner s Manual oL...

Страница 4: ...se Use of International U S and Canadian Bands presents frequencies that have restricted use Operation on these frequencies without proper authorization is strictly prohibited In the United States Band for example the channel assignments include frequencies assigned for exclusive use of the U S Coast Guard For frequencies channels that are currently for use in the U S without an individual license...

Страница 5: ...ation for radio communication purposes OPERATOR S LICENSE A Restricted Radiotelephone Operator Permit is the license most often acquired by radio operators of small watercraft when the radio is not required for safety purposes This permit must be posted aboard the craft or kept by the licensed operator Only a licensed operator may operate a marine radio transceiver Others may talk over a transceiv...

Страница 6: ...ility to exercise good safety and navigational judge ment and the GARMIN VHF 725e should not be relied upon in lieu of such prudence and judgement CAUTIONS For these reasons the operator should exercise the follow ing precautions to ensure proper and reliable use of the GARMIN VHF 725e DO NOT operate this transceiver within 1 meter of the ship s navigational compass DO NOT recharge batteries excep...

Страница 7: ... 16 17 Setting the Squelch Threshold 17 Adjusting the Volume 18 Scanning Channels 18 19 Tri Watch 19 20 Programming a Call Channel 20 Receiving and Transmitting 21 23 Backlighting the LCD Display and Keypad 24 Using the Key Lock Feature 24 SECTION THREE Appendices Appendix A Optional Accessories 25 26 Appendix B Specifications 27 Appendix C VHF Channel List 28 29 Appendix D Maintenance and Trouble...

Страница 8: ...een Scan Key Memory Key Channel Band Selection Key Volume Control Keys UP DOWN Arrow Channel Selection Keys Microphone Speaker Squelch Key Press To Talk PTT Key Hi Low Power Lock Key Tri Watch Channel 16 Key Power Backlighting Key Call Programming Call Key Battery Pack ...

Страница 9: ...tion of all features and functions of the VHF 725e The scan feature allows the operator to select up to 10 channels for continuous monitoring in any combination of U S A Canadian and International bands Call Channel programming allows you to select and program a channel for regular conversation for instant access by pressing the Call key The high low key toggles the transmitter power level from be...

Страница 10: ... Channel Down Keys Pressing these CH arrow keys sets the operating channel Pressing these keys while the Squelch key is pressed and held sets the squelch threshold level Call Channel Programming Call Key Pressing this key for longer than 1 second after selecting a channel from one of the channel bands will store that channel as the calling channel to be accessed whenever the Call key is pressed Yo...

Страница 11: ...e channel bands Pressing and releasing the key sequences through the three bands The band selected is displayed on the LCD screen Channel 16 and Tri Watch Key Pressing this key once will monitor channel 16 the emer gency channel Pressing again will return to the last used regular channel Pressing and holding the key for more than 1 second will activate Tri Watch which monitors channel 16 and the p...

Страница 12: ... all signals can be heard while at level 9 only the stron gest signals can be heard Adjusting the squelch level eliminates weak unwanted signals as explained on page 17 H L High Low Power Key This key toggles the transmitter power level from High 5 watts to Low 1 watt when pressed and released It also locks the keypad when pressed and held for more than one second The Power key PTT key backlightin...

Страница 13: ...ed U S A International or Canadian Call Channel Indicator This display provides indication that a call channel is currently being received or transmitted on Memory Channel Indicator This display in conjunction with the Channel Number Indica tor indicates that the channel number displayed has been entered into the unit memory for selection when the scan feature is active Tri Watch Indicator This di...

Страница 14: ...appears whenever the SQ squelch key is presses for either squelch override or setting of the squelch threshold Low Battery Indicator This indicator flashes on and off when the battery capacity drops to 10 or below Volume Level Indicator This band of gradually rising bars provides an indication of the volume setting This indicator is always active Lock Indicator Low Battery Indicator Battery Level ...

Страница 15: ...tor This display provides indica tion that the Scan feature is active Receive RX Indicator This indicator provides notice that a signal is being received by the unit Transmit TX Indicator This indicator appears when you are using the VHF 725e to transmit and will come on when you hold down the PTT key Hi Low Power Indicator Transmit Indicator Receive Indicator Scan Indicator Keys Function Displays...

Страница 16: ...me Radio Users Handbook an authoritative handbook prepared by the Radio Technical Commis sion for Maritime Services Post Office Box 19087 Washington D C 20036 Although a Federal Communication Commission FCC license is no longer required for individual operator use you must comply with all applicable FCC rules and regulations Marine radio communication within Canadian boundaries is governed by Indu...

Страница 17: ... 16 is often used so frequently that hailing vessels is not practical in some high traffic areas Contact is made using a programmed Call channel Maritime radio users are required to monitor channel 16 it is also advisable to monitor the Call channel and a selected regular channel as well To facilitate these requirements the VHF 725e is equipped with a Tri Watch feature that allows you to engage in...

Страница 18: ... operations Ship to ship communications only Do not use for routine communications as this is a safety channel Channels 7 8 9 10 11 18 19 67 79 80 88 Commercial Vessels Used for communication between vessels pertaining to the purpose for which the vessel is used Limited communications between vessels and coast stations Recreational boats are not permitted to use these channels Channels 8 67 and 88...

Страница 19: ...ations Channel 16 Emergency Used if your vessel is sinking or on fire someone has been lost overboard or there is grave and imminent danger to life or property Every ship is obliged to give priority to radio distress communications Calling This channel is also used to establish communication with another marine radio station After contact is made switch to a working channel Due to congestion on ch...

Страница 20: ...ed in the VHF Channel List on page 29 NOTE Programming of Private Channels and Marina Channels can be done only by your VHF Radio Dealer who is authorized and has the knowledge to program the VHF 725e Your dealer is also prepared to assist you in making application for license for your use of private channels Altering your VHF 725e without proper authorization is strictly prohibited and may result...

Страница 21: ...lower left corner of the unit LCD display gives indication of battery capacity in increments of 25 The Battery Pack is provided with a Charging Stand and Charging Unit To assemble the Charging Unit 1 Insert the Charging Unit cord plug with the contact pins into the base of the Charging Stand Position the flange on the plug over the slots in the bottom of the stand base and then press down until it...

Страница 22: ...tteries will self discharge when stored for long periods of time This practice will ensure a fully charged spare battery at all times Selecting a Channel To begin using the VHF 725e you will want to select a channel to monitor while you personalize the unit settings such as volume and squelch When you power up the unit a channel will automatically be selected but it may not be suitable for making ...

Страница 23: ...t the Squelch threshold 1 Adjust the Squelch to the lowest setting by pressing and holding the Squelch SQ key then pressing the DOWN arrow key repeatedly until the display indicates 0 You should hear static If you hear a voice transmission change to another channel and repeat this step Figure 5 2 While holding the Squelch SQ key down use the UP arrow key to increase the squelch level to 1 If no st...

Страница 24: ...ransmission You cannot scan weather channels since they broadcast continually and do not allow a break in transmission for the scan to move to the next channel You can utilize the WX Alert feature to monitor for severe weather conditions To scan channels 1 Before activating the scan feature you must program at least two channels into memory You can do this by pressing the U I C key to select the d...

Страница 25: ...mergency channel 16 and the Call channel while monitoring the channel you are using for communications To use Tri Watch 1 First determine which channel other than 16 and the Call channel that you desire to monitor then use the UP or DOWN arrow keys to make a choice 2 Press and hold the 16 key for more than one second Figure 8 3 Observe the LCD display showing TRI CALL 16 and the cycling set of cha...

Страница 26: ...A International Canadian can be programmed with a different Call channel Figure 9 2 To select a new Call channel use the UP DOWN arrow keys to select a channel from the regular channel list of the channel band you are using USA International Canadian 3 Press and hold the CALL key for more than one second to program the selected channel as the Call Channel Figure 9 NOTE Selection of appropriate cal...

Страница 27: ... the last channel accessed will be displayed If there is someone transmitting on that channel you will hear their communication and the RX symbol will appear on the LCD display You may now select from the many receiving options NOTE For clearer reception you can adjust the volume key up or down and set the squelch threshold to a level at which the audio will be enabled 3 Press the U I C key to sel...

Страница 28: ...r receiving above 2 Choose a correct channel for communications Channels are restricted to use by various government agencies types of vessels and maritime service operators Review the list in Appendix C to determine which channels are available for your use 3 Wait until the channel you have selected is free of communications THIS IS AREGULATORY AGENCY REQUIREMENT NOTE For communications over shor...

Страница 29: ...y when you have completed your transmission NOTE You must use a specific communication style when using a marine radio such as your station call sign or boat name and ending your transmission with proper terminology such as Over Refer to the Maritime Radio User s Handbook Also be aware that the unit will automatically cancel TX after the PTT key has been pressed for more than thirty seconds to lim...

Страница 30: ...ire to maintain a selected function on your VHF 725e such as TRI WATCH or SCAN you can lock the keys using the Lock feature to prevent inadvertent canceling or changing of unit settings How ever the Press To Talk Squelch and Power keys still function 1 Press the H L LOCK Hi Low transmission power key for more than one second after you have set the unit to the function desired When the unit keypad ...

Страница 31: ...omer Service to obtain replacement parts Refer to Page 15 for Antenna and Battery Installation FIGURE 13 Installing the Belt Clip and Wrist Strap The VHF 725e is supplied with a belt clip and carrying strap so you can carry the unit wherever you go Attach the clip to the back of the unit using the two mounting screws provided To attach the wrist strap thread the cord portion of the strap through t...

Страница 32: ...Part Number 010 10219 00 Contact your GARMIN Dealer to obtain these optional accessories VHF 725e Optional Accessories Nickel Metal Hydride Battery Pack Provides 50 more battery capacity Recharges using the charging stand and charging unit provided wth the VHF 725e Soft Carry Holster Rugged nylon holster with integral belt loop Spare NiCad Battery Pack Allows for uninterrupted use of the VHF 725e ...

Страница 33: ...ty 123dBm to 107dBm Threshold Audio Power 0 5 W into 16 ohm speaker Audio Distortion 10 Hum and Noise 40dB Transmitter Transmitter Output 5 watts high 1 watt low Frequency Stability 10 PPM Hum and Noise 40dB Spurious Emissions 70dB Duty Cycle No damage even if continuously keyed Microphone Internal electret Compliance EN 301 178 Power Operating Voltage 7 5 VDC Source Standard NiCad rechargeable ba...

Страница 34: ...Ops Yes Yes 15 NO TX 156 750 Environmental RX Only 15 15 156 750 156 750 Environmental 1 watt Only 16 16 16 156 800 156 800 Distress Safety Calling Yes Yes 17 17 17 156 850 156 850 State Control 1 watt Only Yes 18 156 900 161 500 Com l Yes Yes 18A 18A 156 900 156 900 Com l Yes Yes 19 156 950 161 550 Com l Yes Yes 19A 19A 156 950 156 950 Com l Yes Yes 20 20 157 000 161 600 Port Ops Yes Yes 20 157 2...

Страница 35: ...83 83 157 175 161 775 U S Govt Only Yes Yes 83A 83A 157 175 157 175 U S Govt Only Yes Yes 84 84 84 157 225 161 825 Public Corresp No Yes 85 85 85 157 275 161 875 Public Corresp No Yes 86 86 86 157 325 161 925 Public Corresp No Yes 87 87 87 157 375 161 975 Public Corresp No Yes 88 88 88 157 425 162 025 Public Corresp No Yes 88A 157 425 157 425 Public Corresp No Yes Marina Channels International Ban...

Страница 36: ...age temperature should not vary from below 4 degrees F 20 degrees C and above 158 degrees F 70 C Cleaning Clean exterior portions of the VHF 725e with a mild soap and water solution Do not use harsh detergents or solvent based cleaning agents Isopropyl alcohol is acceptable Wipe dry with a clean non abrasive cloth Battery Maintenance Keep battery contacts clean Use only the NiCad Battery Pack or t...

Страница 37: ...f nickel cadmium batteries Contact your local waste management official for instructions on disposal Frequently fully discharging a NiCad battery may cause damage to the battery cells Service and Repairs The GARMIN VHF 725e is warranted for three years under the terms of the GARMIN Limited Warranty on Page 36 of this manual If you need to obtain warranty service for your unit call the GARMIN Produ...

Страница 38: ...ot transmit or Some channels are for receive Change channel transmission isn t being only received Batteries are exhausted Replace batteries Some channels are for low Change channels power only Output power too low Press H L key for high power The displayed channel cannot The LOCK function is on Press an hold the be changed H L key for at least one second Error tone 2 beeps is heard Incorrect key ...

Страница 39: ...o beeps and in some instances a continuous string of beeps and indicate that you have pressed a key that cannot perform a function under the cur rent unit operating mode Screen Messages LOW BATT This display appears when the battery capacity has dropped to 10 of its capacity The LOW BATT display flashes and an initial three beep tone will be heard The unit will operate under normal use for approxi...

Страница 40: ...s These channels must be programmed into the VHF International Band by an authorized dealer Private Channels Channels which are assigned by regulatory agencies governing VHF radio use for a specific region or country These channels must be programmed into the VHF International Band by an authorized dealer PTT Press To Talk switch RX Receive Simplex Transmit and receive on the same frequency Squelc...

Страница 41: ...ys and Displays 4 9 Key Lock 24 M Maritime Radio User s Hndbk iii Marine Radio License iv Memory 5 7 18 Messages 33 Monitoring 18 20 N NiCad Battery Kit 26 P Packing List ii Priority Scan 19 R Regulatory Agencies iii iv S Scanning Setup 18 Selecting Channel 16 19 22 Selecting a Channel 16 Specifications 27 T Terminology 34 Transmitting 22 Tri Watch 19 Trickle Charger 26 Troubleshooting 32 V VHF Co...

Страница 42: ... WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OF INCIDENTAL OR CONSEQUEN TIAL DAMAGES SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU To obtain warranty service call the GARMI...

Страница 43: ......

Страница 44: ...E 151st Street Olathe KS 66062 U S A GARMIN Europe LTD Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9AQ U K GARMIN Asia Corp 3rd Floor No 1 Lane 45 Pao Hsing Road Hsin Tien Taipei Taiwan R O C www garmin com Part Number 190 00163 00 Rev A ...

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