Vertex Standard VX-177 manual RF Squelch, Checking the Battery Voltage

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ADVANCED OPERATION

RF SQUELCH

A special RF Squelch feature is provided on this radio. This feature allows you to set the squelch so that only signals exceeding a certain S-meter level will open the squelch.

To set up the RF squelch circuit for operation, use the following procedure:

1. Press the [F] key, then press the [0(SET)] key to enter the Set mode.

2. Rotate the DIAL knob to select Set Mode Item 34: RF SQL.

3. Press the [F] key momentarily to enable adjustment of this Item. 4. Rotate the DIAL knob to select the desired signal strength level

for the squelch threshold (S-1, S-2, S-3, S-4, S-5, S-6, S-8,

S-FULL, or OFF). 5. Press the PTT switch to save the new setting and return to nor-

mal operation.

CHECKING THE BATTERY VOLTAGE

The VX-177’s microprocessor includes programming which will measure the current bat- tery voltage.

1. Press the [F] key, then press the [0(SET)] key to enter the Set mode.

2. Rotate the DIAL knob to select Set Mode Item 12: DC VLT.

3. Press the [F] key momentarily to display the current DC voltage being supplied.

4. Press the [F] key, followed by the PTT switch to return to nor- mal operation.

18	VX-177 OPERATING MANUAL

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Contents Vertex Standard Yaesu Europe B.VContents General Description Available Options Accessories & OptionsSupplied Accessories Controls & Connectors TOP & Front Panels Controls & Connectors LCD Moni Switch Controls & Connectors Side PanelPTT Push To Talk Switch Controls & Connectors Keypad Functions Press F + KEYOne step or moves the memory Installation of FNB-83 Battery Pack Installation of AccessoriesAntenna Installation Battery Charging LOW Battery IndicationBelt Clip Installation Installation of FBA-25A Alkaline Battery Case OptionInterface of Packet Tncs Operation Switching Power on and OFFAdjusting the Audio Volume Level Frequency Navigation Tuning DialSquelch Adjustment Direct Keypad Frequency Entry ScanningChanging the Transmitter Power Level TransmissionAdvanced Operation Keyboard LockingKEYPAD/LCD Illumination Disabling the Keypad BeeperChecking the Battery Voltage RF SquelchAutomatic Repeater Shift ARS Repeater OperationRepeater Shifts Changing the Default Repeater Shifts Manual Repeater Shift ActivationVFO Split Mode Checking the Repeater Uplink Input FrequencyRepeater Operation CTCSS/DCS/EPCS Operation Ctcss OperationDCS Operation Tone Search Scanning Storing the Ctcss Tone Pairs for Epcs Operation Epcs Enhanced Paging & Code SquelchCTCSS/DCS/EPCS Bell Operation Activating the Enhanced Paging & Code Squelch SystemSplit Tone Operation Tone Calling 1750 HZMemory Storage Memory ModeStoring Independent Transmit Frequencies Odd Splits Memory Recall Home Channel MemoryLabeling Memories Memory Offset Tuning Deleting MemoriesAssigning Memories to a Memory Bank Memory Bank RecallRemoving Memories from a Memory Bank Memory Bank OperationMemory only Mode Moving Memory Data to the VFOVX-177 Operating Manual Setting the Scan-Resume Technique ScanningVFO Scanning Manual VFO ScanProgrammed VFO Scan How to Skip Omit a Channel during Memory Scan Operation Memory ScanningPreferential Memory Scan Memory Bank Scan Programmable Band Limit Memory Scan PMS VFO Priority Memory Channel PriorityHome Channel Priority Priority Channel Scanning Dual WatchPriority Revert Mode VFO-VFO Dual WatchAutomatic Lamp Illumination on Scan Stop Band Edge BeeperVX-177 Operating Manual Emergency Feature Emergency Channel OperationEmergency Automatic ID EAI Feature Emergency Feature Storing Smart Search Memories Setting the Smart Search ModeSmart Search Operation Internet Connection Feature Internet Connection Feature Basic Arts Setup and Operation Arts Polling Time Options Arts Alert Beep OptionsCW Identifier Setup Dtmf Autodialer Dtmf OperationManual Dtmf Tone Generation To send the telephone number Dtmf Pager Operation Requires Optional FTD-7 Storing the 3-digit code for the Dtmf Pager OperationActivating the Dtmf Pager Activating the ANI feature Storing the ANI codeMiscellaneous Settings PasswordProgramming the KEY Assignments Changing the Channel StepsReceive Battery Saver Setup TX Battery SaverDisabling the TX/BUSY Indicator Automatic POWER-OFF APO FeatureTransmitter TIME-OUT Timer TOT Busy Channel LOCK-OUT BcloDCS Code Inversion Changing the TX Deviation Level Reset Procedures Cloning Try againVX-177 Operating Manual SET Menu Mode ARSNET CTCSS/DSC/DTMF/EPCS Setting ANI Set Mode Item 1 APO Set Mode Item 2 AR BEPSet Mode Item 3 AR INT Set Mode Item 4 ARSSet Mode Item 8 BSY.LED Set Mode Item 9 CLK.SFTSet Mode Item 10 Cwid Set Mode Item 11 CW WRTSet Mode Item 17 DT WRT Set Mode Item 18 ECS.CDRSet Mode Item 19 ECS.CDT Set Mode Item 20 EDG.BEPSet Mode Item 22 I NET Set Mode Item 23 INT CDSet Mode Item 24 INT MR Set Mode Item 25 LampSet Mode Item 27 M/T-CL Set Mode Item 28 NameSet Mode Item 29 NM WRT Set Mode Item 30 PswdSet Mode Item 33 REV/HM Set Mode Item 34 RF SQLSet Mode Item 35 RPT.MOD Set Mode Item 36 PRI.RVTSet Mode Item 39 SCN MD Set Mode Item 40 SCN.LMPSet Mode Item 41 Shift Set Mode Item 42 SkipSet Mode Item 44 SQL.TYP Set Mode Item 45 StepSet Mode Item 46 TN FRQ Set Mode Item 47 TOTSet Mode Item 51 WID.NAR Set Mode Item 52 EAISet Mode Item 53 ANI Set Mode Item 54 ANI.WRTSpecifications GeneralInstallation of the FTD-7 Dtmf Paging Unit Option Declaration by Manufacturer 0511X-0K