VHF FM TRANSCEIVER FT-252 Operating Manual YAESU MUSEN CO., LTD. Tennozu Parkside Building 2-5-8 Higashi-Shinagawa, Shinagawa-ku, Tokyo 140-0002 Japan YAESU USA 6125 Phyllis Drive, Cypress, CA 90630, U.S.A. YAESU UK Unit 12, Sun Valley Business Park, Winnall Close Winchester, Hampshire, SO23 0LB, U.K. YAESU HK Unit 2002, 20/F, 9 Chong Yip Street, Kwun Tong, Kowloon, Hong Kong cover_130313.
Contents General Description............................................1 Accessories & Options........................................2 Controls & Connections.....................................3 Top & Front Panel............................................3 LCD..................................................................4 Installation of Accessories..................................5 Antenna Installation..........................................5 Installation of FNB-124LI Battery Pack..........
General Description The FT-252 is a compact submersible*, high-performance FM hand-held providing up to five watts of RF power, and a wealth of convenient features for 2-meter amateur band operations.
Accessories & Options Supplied Accessories FNB-124LI YHA-75 SAD-11B PA-48B/C/F CLIP-24 Operating Manual Quick Manual Warranty Card 7.4 V Rechargeable Lithium-Ion Battery Pack Antenna AC Wall Charger (for USA version) AC Wall Charger (for EXP version) Belt Clip Available Options FNB-124LI SAD-11B PA-48B/C/F CD-57 SDD-11 E-DC-6 YHA-75 CLIP-24 CN-3 7.
Controls & Connectors Antenna Jack Connect the supplied rubber flex antenna (or another antenna presenting a 50-Ohm impedance) here. DIAL Knob The main tuning Dial is used to set the operating frequency. It is also used for menu selections and other adjustments. Speaker The internal speaker is located here. PTT (Push To Talk) Switch Press this switch to transmit, and release it (to receive) after your transmission is completed.
Controls & Connectors (LCD) Memory Channel Number Skip Memory Channel or Preferential Memory Channel Repeater Shift Direction CTCSS/DSC Operation Bell Alarm Active Priority Channel Memory Bank Active Operating Frequency Automatic Power-Off Active BUSY Indicator Battery Indicator TX Indicator Low TX Power Selected Secondary Keypad Active DTMF Autodial Active 4 honbun_130313.
Installation of Accessories Antenna Installation The supplied antenna provides good results over the entire frequency range of the transceiver. However, for enhanced reception on certain non-Amateur frequencies, you may wish to connect an antenna designed specifically for that frequency range, as the supplied antenna is necessarily a compromise outside the Amateur band, and cannot be expected to provide high performance at all frequencies.
Installation of Accessories Battery Charging If the battery has never been used, or its charge is depleted, it may be charged by connecting the SAD-11B or PA-48 AC Wall Charger, as shown in the illustration, to the EXT DC jack. If only 12 ~ 14 Volt DC power is available, the optional SDD-11 DC/DC Converter (with its cigarette lighter plug) or E-DC-6 DC Cable may also be used for charging the battery. The display will indicate “CHRG”, while the battery is being charged.
Installation of Accessories Belt Clip Installation / Removal To install the Belt Clip: Align the Belt Clip to the groove above the Battery compartment, then press the Belt Clip downward until it locks in place with a “Click”. To remove the Belt Clip: Press the Belt Clip tab away from the transceiver to unlock the Belt Clip, then slide the Belt Clip up-ward to remove it. Belt Clip Tab FT-252 Operating Manual honbun_130313.
Operation Switching Power ON and OFF Be sure the Battery Pack is installed, and the battery is fully charged. Connect the antenna to the top panel ANTENNA jack. Press and hold the [POWER( )] key for two seconds to turn the radio on. The current DC supply voltage will be indicated on the display for 2 seconds. After this 2 second interval, the display will resume its normal indication of the operating frequency. To turn the radio off, press and hold the [POWER( )] key for two seconds.
Operation Frequency Navigation The FT-252 will initially be operating in the “VFO” mode, a channelized system which allows free tuning throughout the operating band. Two basic frequency navigation methods are available on the FT-252: 1) Tuning Dial Rotation of the DIAL allows tuning in the pre-programmed steps established for the operating band. Clockwise rotation of the DIAL causes the FT-252 to be tuned upward in frequency, while counter-clockwise rotation will lower the operating frequency.
Operation Transmission Once you have set up an appropriate frequency inside the 144 MHz Amateur band on which the FT-252 can transmit, you’re ready to go on the air! These are the most basic steps; more advanced aspects of transmitter operation will be discussed later. To transmit, press the PTT switch, and speak into the front panel microphone (located in the lower right-hand corner of the speaker grille) in a normal voice level. The “TX” indicator will appears on the LCD during transmission.
Advanced Operation Now that you have mastered the basics of FT-252 operation, let’s learn more about some of the really neat features. Keyboard Locking To activate the locking feature, press the [POWER( )] key momentarily. To cancel locking press the [POWER( )] key momentarily again. In order to prevent accidental frequency change or inadvertent transmission, various aspects of the FT-252’s DIAL and keypad may be locked out. You may change the lockout combinations. To lock out some or all of the keys: 1.
Advanced Operation LCD Illumination Your FT-252 includes a reddish illumination lamp which aids in nighttime operation. The reddish illumination yields clear viewing of the display in a dark environment, with minimal degradation of your night vision. Three options for activating the lamp are provided: KEY Mode: Illuminates the LCD lamp for five seconds when you rotate the DIAL knob or press the keypad or any switch (except PTT switch). This is the factory-programmed default setting.
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 [SET/ATS] key to enter the Set mode. 2. Rotate the DIAL knob or press the [p]/[q] key to select Set Mode Item 31: RF SQL. 3. Press the [SET/ATS] key momentarily to enable adjustment of this Item. 4.
Repeater Operation Repeater stations, usually located on mountaintops or other high locations, provide a dramatic extension of the communication range for low-powered hand-held or mobile transceivers. The FT-252 includes a number of features which make repeater operation simple and enjoyable. Repeater Shifts The FT-252 has been configured, at the factory, with the repeater shift set to 600 kHz.
Repeater Operation Manual Repeater Shift Activation If the ARS feature has been disabled, or if you need to set a repeater shift direction other than that established by the ARS, you may set the direction of the repeater shift manually. To do this: 1. Press the [SET/ATS] key to enter the Set mode. 2. Rotate the DIAL knob or press the [p]/[q] key to select Set Mode Item 32: RPT.MOD. 3. Press the [SET/ATS] key momentarily to enable adjustment of this Item. 4.
Repeater Operation Manual Repeater Shift Activation Checking the Repeater Uplink (Input) Frequency It often is helpful to be able to check the uplink (input) frequency of a repeater, to see if the calling station is within direct (“Simplex”) range. To do this, just press the [REV] key. You’ll notice that the display has shifted to the repeater uplink frequency. Press the [REV] key again to cause operation to revert to normal monitoring of the repeater downlink (output) frequency.
CTCSS/DCS Operation CTCSS Operation Many repeater systems require that a very-low-frequency audio tone be superimposed on your FM carrier in order to activate the repeater. This helps prevent false activation of the repeater by radar or spurious signals from other transmitters. This tone system, called “CTCSS” (Continuous Tone Coded Squelch System), is included in your FT-252, and is very easy to activate. 1. Press the [SET/ATS] key to enter the Set mode. 2.
CTCSS/DCS Operation CTCSS Operation 10. Rotate the DIAL knob until the display indicates the Tone Frequency required by the repeater you are using (if you don’t know the tone frequency, ask the repeater owner/ operator). CTCSS TONE FREQUENCY (Hz) 11. When you have made your selection, 67.0 69.3 71.9 74.4 77.0 79.7 82.5 85.4 88.5 91.5 94.8 97.4 press the [SET/ATS] key, then press 100.0 103.5 107.2 110.9 114.8 118.8 the PTT switch to save the new set123.0 127.3 131.8 136.5 141.3 146.
CTCSS/DCS Operation DCS Operation 9. Rotate the DIAL knob to select the desired DCS Code (a three-digit number). Ask the repeater owner/operator if you don’t know DCS Code; if you are working simplex, just set up the DCS Code to be the same as that used by your friend(s). 10. When you have made your selection, press the [SET/ATS] key, then press the PTT switch to save the new settings and exit to normal operation.
CTCSS/DCS Operation Split Tone Operation The FT-252 can be operated in a Split Tone configuration via the Set mode. 1. Press the [SET/ATS] key to enter the Set mode. 2. Rotate the DIAL knob or press the [p]/[q] key to select Set Mode Item 39: SPLIT. 3. Press the [SET/ATS] key momentarily to enable adjustment of this Item. 4. Rotate the DIAL knob or press the [p]/[q] key to select ON (to enable the Split Tone feature). 5. Press the PTT switch momentarily to save the new setting and exit to normal operation.
CTCSS/DCS Operation Tone Calling (1750 Hz) If the repeaters in your country require a 1750-Hz burst tone for access (typically in Europe), you can set the [VOL/SQL] key to serve as a “Tone Call” switch instead. To change the configuration of this switch, we again use the Set Mode to help us. 1. Press the [SET/ATS] key to enter the Set mode. 2. Rotate the DIAL knob or press the [p]/[q] key to select Set Mode Item 23: M/T-CAL. 3. Press the [SET/ATS] key momentarily to enable adjustment of this Item. 4.
Memory Mode The FT-252 provides a wide variety of memory system resources. These include: 200 “Standard” memory channels, numbered “1” through “200.” A “Home” channel, providing storage and quick recall of one prime frequency. 10 sets of band-edge memories, also known as “Programmable Memory Scan” channels, labeled “L1/U1” through “L10/U10.” 10 Memory Banks, labeled “BANK 1” through “BANK10.” Each Memory Bank can be assigned up to 200 channels from the “standard” memory channels.
Memory Mode Memory Recall 1. While operating in the VFO mode, press the [V/M] key to enter the Memory mode. 2. Rotate the DIAL knob or press the [p]/[q] key to select the desired memory channel. 3. To return to the VFO mode, press the [V/M] key. HOME Channel Memory A special one-touch “HOME” channel is available, to allow quick recall of a favorite operating frequency. Home Channel storage is simple to accomplish: 1.
Memory Mode Labeling Memories You may wish to append an alpha-numeric “Tag” (label) to a memory or memories, to aid in recollection of the channel’s use (such as a club name, etc.). This is easily accomplished using the Set Mode. 1. Recall the memory channel on which you wish to append a label. 2. Press the [SET/ATS] key to enter the Set mode. 3. Rotate the DIAL knob or press the [p]/[q] key to select Set Mode Item 24: MEM.TAG. 4.
Memory Mode 4. Rotate the DIAL knob or press the [p]/[q] key to set this to “ALPHA” (enabling the alpha-numeric “Tag” display). 5. To display the frequency again, just repeat the above procedure. 6. When you have made your selection, press the PTT switch to save the setting and exit to normal operation. To display the frequency again on all memory channels, just repeat the above procedure, rotating the DIAL knob or press the [p]/[q] key to select “FREQ” in step 4 above. 2) Direct Setting: 1.
Memory Mode Deleting Memories You may delete any of the memories (except for Memory Channel “1” and the Home Channel). The procedure for deleting a channel is quite simple. 1. Press the [V/M] key, if needed, to enter the VFO mode. 2. Press and hold in the [F/MW] key for one second, then rotate the DIAL knob or press the [p]/[q] key to select the memory channel to be deleted. 3. Press the [SET/ATS] key for one second. The display will revert to memory channel #1.
Memory Mode 4. To change to another Memory Bank, press and hold in the [V/M] key, rotate the DIAL knob or press the [p]/[q] key to select the new Memory Bank, then press the [V/M] key momentarily. 5. To exit from Memory Bank operation, select “NOBANK” in step 4 above and then press [F/MW]. You are now in the “standard” Memory Recall mode, without utilization of the Memory Banks. The memories stored in the various Banks will remain in those banks, however; you do not need to store them again.
Memory Mode Weather Broadcast Channels The VHF Weather Broadcast Station Memory Channel Bank has been pre-programmed at the factory, for quick selection of NOAA weather information stations. 1. Press the [F/MW] key, then press the [V/M] key to recall the Weather Broadcast Memory Bank. 2. Rotate the DIAL knob or press the [p]/[q] key to select the desired Weather Broadcast channel. 3. If you wish to scan this bank to search for CH Frequency 01 162.550 MHz stronger stations, just press the PTT switch. 02 162.
Scanning The FT-252 allows you to scan just the memory channels, the entire operating band, or a portion of that band. It will halt on signals encountered, so you can talk to the station(s) on that frequency, if you like. Scanning operation is basically the same in each of the above modes. Before you begin, take a moment to select the way in which you would like the scanner to resume scanning after it halts on a signal.
Scanning VFO Scanning The FT-252 provides two VFO scanning functions: “Manual VFO Scanning” and “Programmed VFO Scanning.” Manual VFO Scan 1. Select the VFO mode by pressing the [V/M] key, if necessary. 2. Press and hold in either the [p] or [q] key for one second to initiate upward or downward scanning, respectively. 3.
Scanning Memory Scanning Memory scanning is similarly easy to initiate: 1. Select the Memory mode by pressing the [V/M] key, if necessary. 2. Press and hold in either the [p] or [q] key for one second to initiate upward or downward scanning, respectively. 3. If and when the scanner encounters a signal strong enough to open the squelch, the scanner will halt temporarily; the decimal point of the frequency display will blink during this “Pause” condition. 4.
Scanning Memory Scanning Preferential Memory Scan The FT-252 also allows you to set up a “Preferential Scan List” of channels which you can “flag” within the memory system. These channels are designated by a blinking “” icon when you have selected them, one by one, for the Preferential Scan List. When you initiate memory scanning, beginning on a channel with the blinking “” icon appended, only those channels bearing the blinking “u” icon will be scanned.
Scanning Memory Scanning Memory Bank Scan When the Memory Bank feature is engaged, the scanner sweeps only memory channels in the current Memory Bank. However, if the Memory Bank Link Scan feature is enabled, you may sweep the memory channels in several Memory Banks which you have selected. To enable the Memory Bank Link Scan feature: 1. Set the radio to the Memory mode by pressing the [V/M] key, if necessary. 2.
Scanning Programmable (Band Limit) Memory Scan (PMS) This feature allows you to set sub-band limits for either scanning or manual VFO operation. For example, you might wish to set up a limit (in North America) of 144.300 MHz to 148.000 MHz to prevent encroachment into the SSB/CW “Weak Signal” portion of the band below 144.300 MHz. Here’s how to do this: 1. Set the radio to the VFO mode by pressing the [V/M] key, if necessary. 2. Using the techniques learned earlier, store (per the above concept) 144.
Scanning “Priority Channel” Scanning (Dual Watch) The FT-252’s scanning features include a two-channel scanning capability which allows you to operate on a VFO or Memory channel, while periodically checking a user-defined Memory Channel for activity. If a station is received on the Memory Channel which is strong enough to open the Squelch, the scanner will pause on that station in accordance with the Scan-Resume mode set via Set Mode Item 29: RESUME. See page 29.
Scanning “Priority Channel” Scanning (Dual Watch) WX Channel Priority 1. Recall the memory channel you wish to use as the “Priority” frequency. 2. Now, set the radio for operation on a WX channel by pressing the [F/MW] key, then press the [V/M] key. 3. Press the [F/MW] key, then press the [VOL/SQL] key to activate the WX Priority mode. The display will remain on the WX channel frequency, but every five seconds the radio will check the Priority Channel (memory channel) for activity. 4.
Scanning Automatic Lamp Illumination on Scan Stop The FT-252 will automatically illuminate the LCD/Keypad Lamp whenever the scanner stops on a signal; this allows you to see the frequency of the incoming signal better at night. Note that this will, of course, increase the battery consumption, so be sure to switch it off during the day (the default condition for this feature is “ON”). The procedure for disabling the Scan Lamp is: 1. Press the [SET/ATS] key to enter the Set mode. 2.
Scanning Weather Alert Scan This feature allows you to check the Weather Broadcast Memory Channels for the presence of the NOAA Alert Tone while operating using VFO scan or Memory channel scan. When the Weather Alert Scan feature is engaged, the FT-252 will check the Weather Broadcast Memory Channels for activity every five seconds while scanning.
Emergency Channel Operation The FT-252 includes an “Emergency” feature which may be useful if you have someone monitoring on the same frequency as your transceiver’s “Home” channel. See page 23 for details on setting up the Home channel. The “Emergency” feature is activated by pressing and holding in the [SET/ATS] key for one second.
Smart Search Operation The Smart Search feature allows you to load frequencies automatically according to where activity is encountered by your radio.
ATS (Automatic Transponder System) The ATS feature uses DCS signaling to inform both parties when you and another ATS equipped station are within communications range. This may be particularly useful during Search-and Rescue situations, where is important to stay in contact with other members of your group. Activate their ATS feature using the command appropriate for their radio. Alert ringers may be activated, if desired.
ATS (Automatic Transponder System) ATS Alert Beep Options The ATS feature allows two kinds of alert beeps (with the additional option of turning them off), so as to alert you to the current status of ATS operation. Depending on your location and the potential annoyance associated with frequent beeps, you may choose the Beep mode which best suits your needs.
DTMF Operation DTMF Autodialer Nine DTMF Autodial memories are provided, allowing you to store telephone numbers for autopatch use. You can also store short autopatch or Internet-link access code streams so as to avoid having to send them manually. Here is the DTMF Autodial storage procedure: 1. Press the [SET/ATS] key to enter the Set mode. 2. Rotate the DIAL knob or press the [p]/[q] key to select Set Mode Item 17: DT WRT. 3. Press the [SET/ATS] key momentarily to enable adjustment of this Set Mode Item.
DTMF Operation To send the telephone number: 1. Press and hold the PTT switch to continue transmitting during following steps. A. Press the [p] or [q] key to select the DTMF Memory register ([d 1] through [d 9]) you wish to send. B. Press the [F/L] key momentarily to transmit the tone string. Once the string begins, you may release the PTT switch, as the transmitter will be held “on the air” until the DTMF string is completed.
DTMF Operation Storing the ANI code 1. Press the [SET/ATS] key to enter the Set mode. 2. Rotate the DIAL knob or press the [p]/[q] key to select Set Mode Item 2: ANI.WRT. 3. Press the [ SET/ATS ] key momentarily to display any previously-stored ANI code. 4. Press the [F/MW] key again to clear any previous ANI code. 5.
Miscellaneous Settings CW Identifier Setup The ATS feature and Emergency channel operation includes a CW identifier, as discussed previously. Every ten minutes during ATS operation or every one minute during Emergency channel operation, the radio can be instructed to send “DE (your callsign) K” (ATS feature) and “SOS DE (your callsign)” (Emergency channel operation) if this feature is enabled. The callsign field may contain up to 6 characters. Here’s how to program the CW Identifier: 1.
Miscellaneous Settings Password The FT-252 provides a security password feature which can minimize the chance that your transceiver could be used by an unauthorized party. When the password feature is activated, the radio will ask for the four digit password to be entered when the radio is first turned on. You must enter the four digit password from the keypad. If the wrong password is entered, the microprocessor will shut down the radio automatically. To enter the password , use the following procedure: 1.
Miscellaneous Settings Changing the Channel Steps The FT-252’s synthesizer provides the option of utilizing channel steps of 5/10/12.5/15/20/25/50/100 kHz per step, as well as an automatic step selection based on the current operating frequency (“AUTO”), any number of which may be important to your operating requirements. The FT-252 is set up at the factory in the “AUTO” configuration, which probably is satisfactory for most operation.
Miscellaneous Settings TX Battery Saver The FT-252 also includes a useful Transmit Battery Saver, which will automatically lower the power output level when the last signal received was very strong. For example, when you are in the immediate vicinity of a repeater station, there generally is no reason to use the High Power output in order to achieve full-quieting access to the repeater. With the Transmit Battery Saver, the automatic selection of Low Power operation conserves battery drain significantly.
Miscellaneous Settings Busy Channel Lock-Out (BCLO) The BCLO feature prevents the radio’s transmitter from being activated if a signal strong enough to break through the “noise” squelch is present. On a frequency where stations using different CTCSS or DCS codes may be active, BCLO prevents you from disrupting their communications accidentally (because your radio may be muted by its own Tone Decoder). The default setting for the BCLO is OFF, and here is how to change that setting: 1.
Miscellaneous Settings standards take this into account), if you find that your receiver squelch does not open when both you and the other station are using a common DCS code, you or the other station (but not both) can try the following: 1. Press the [SET/ATS] key to enter the Set mode. 2. Rotate the DIAL knob or press the [p]/[q] key to select Set Mode Item 14: DCS.N/R. 3.
Reset Procedures In the event of erratic operation of the transceiver, it is possible that data on the microprocessor may have become corrupted. While this is a highly unusual situation, the only path to recovery may involve resetting of the microprocessor. Here’s how to do this: 1. Turn the radio off. 2. Press and hold in the [V/M] key while turning the radio on. 3.
Set (Menu) Mode The FT-252 Set Mode, already described in parts of many previous chapters, is easy to activate and set. It may be used for configuration of a wide variety of transceiver parameters, some of which have not been detailed previously. Use the following procedure to activate the Set Mode: 1. Press the [SET/ATS] key to enter the Set mode. 2. Rotate the DIAL knob or press the [p]/[q] key to select the Set Mode Item to be adjusted. 3.
Set (Menu) Mode Set Mode Item Function 24 [MEM.TAG] 25 [NAME] 26 [PASSWD] 27 [PSWD W] 28[R SHFT] 29 [RESUME] 30 [REV/HM] 31 [RF SQL] Stores Alpha-Numeric “Tags” for the Memory channels. Toggles the display indication between “frequency” and the channel’s “Alpha/Numeric Tag.” Enables/disables the Password feature. Stores the password. Sets the magnitude of the repeater Shift. Selects the Scan Resume mode. Selects the function of the [HM/RV] key. Adjusts the RF Squelch threshold level. 32 [RPT.
Set (Menu) Mode Set Mode Item 1 [ANI] Function: Enables/Disables the ANI function. Available Values: ANI.OFF/ANI. ON Default: ANI. OFF Set Mode Item 2 [ANI.WRT] Function: Program the ANI Identifier. See page 45 for details. Set Mode Item 3 [APO] Function: Setting of the Automatic Power-Off feature. Available Values: OFF/0.5H - 12.0 H in 0.5 hour multiples Default: OFF Set Mode Item 4 [AR BEP] Function: Selects the Beep option during ARTS operation.
Set (Menu) Mode Set Mode Item 8 [BELL] Function: Selects the number of CTCSS/DCS Bell ringer repetitions. Available Values: OFF/1T/3T/5T/8T/CONT (Continuous ringing) Default: OFF Set Mode Item 9 [CLK.SFT] Function: Shifting of the CPU clock frequency. Available Values: SFT.OFF/SFT. ON Default: SFT.OFF This function is only used to move a spurious response “birdie,” should it fall on a desired frequency.
Set (Menu) Mode Set Mode Item 16 [DT SPD] Function: Setting of the DTMF Autodialer Sending Speed. Available Values: 50MS (high speed)/100MS (low speed) Default: 50MS Set Mode Item 17 [DT WRT] Function: Programming of the DTMF Autodialer. See page 43 for details. Set Mode Item 18 [EDG.BEP] Function: Enables/Disables the Band-edge beeper while selecting the frequency via the DIAL knob. Available Values: BEP.OFF/ BEP. ON Default: BEP.
Set (Menu) Mode Set Mode Item 21 [LAMP] Function: Selects the LCD/Keypad Lamp mode. Available Values: KEY/CONT/OFF Default: KEY KEY: Illuminates the Keypad/LCD lamp for five seconds when you rotate the DIAL knob or press the keypad or any switch (except PTT switch). This is the factory-programmed default setting. CONT: Illuminates the Keypad/LCD lamp continuously. OFF: Disables the Keypad/LCD lamp. Set Mode Item 22 [LOCK] Function: Selects the Control Locking lockout combination.
Set (Menu) Mode Set Mode Item 28 [R SHIFT] Function: Sets the magnitude of the repeater Shift. Available Values: 0.00 - 99.95 MHz (50 kHz increments) Default: Depends on the operating band and transceiver version. Set Mode Item 29 [RESUME] Function: Selects the Scan Resume mode. Available Values: BUSY/HOLD/TIME Default: TIME BUSY: The scanner will hold until the signal disappears, then will resume when the carrier drops. HOLD: The scanner will stop when a signal is received, and will not restart.
Set (Menu) Mode Set Mode Item 35 [S SRCH] Function: Selects the Smart Search Sweep mode. Available Values: SINGLE/CONT Default: SINGLE SINGLE: The transceiver sweeps the current band once in each direction, starting on the current frequency. All channels where activity is present (up to 15 in each direction) are loaded into the Smart Search memories. Whether or not all 31 memories are filled, the search stops after one sweep in each direction.
Set (Menu) Mode Set Mode Item 40 [SQL.TYP] Function: Selects the Tone Encoder and/or Decoder mode. Available Values: OFF/TONE/TSQL/REV TN/DCS/ECS Default: OFF TONE: CTCSS Encoder TSQL: CTCSS Encoder/Decoder REV TN: Reverse CTCSS Decoder (Mutes receiver when matching tone is received) DCS: Digital Coded Encoder/Decoder ECS: Enhanced Paging & & Code Squelch Note: See also Set Mode Item 39: SPLIT regarding additional selections available during “Split Tone” operation.
Set (Menu) Mode Set Mode Item 46 [WX ALT] Function: Enables/Disables the Weather Alert Scan feature. Available Values: ALT.OFF/ALT. ON Default: ALT. OFF 62 honbun_130313.
Specifications General Frequency Ranges: RX 136 - 174 MHz TX 144 - 146 (148) MHz Channel Steps: 5/10/12.5/15/20/25/100 kHz Frequency Stability: ±5 ppm @ 14º to 140º F (–10° to +60° C) Repeater Shift: ±600 kHz Emission Type: F2 , F3 Antenna Impedance: 50 Supply Voltage: Nominal: 7.4 V DC (Negative Ground) Operating: 5.0 ~ 10.0 V DC (EXT DC Jack) Current Consumption: 200 mA (Receive, 200 mW output) (Approx. @7.
Note 64 honbun_130313.
1. Changes or modifications to this device not expressly approved by YAESU MUSEN could void the user’s authorization to operate this device. 2. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference including received, interference that may cause undesired operation. 3.
Copyright 2013 YAESU MUSEN CO., LTD. All rights reserved. No portion of this manual may be reproduced without the permission of YAESU MUSEN CO., LTD. cover_130313.
