Kenwood TH-42A- Manuals

FEATURES • Easier to handle due to the thinner profile, smaller size, and lighter weight. Encourages a "take-it- anywhere" philosophy. • High power output produced from low input voltage means the NiCd battery pack is more compact than previous handhelds. • Innovative Menu Set-up method comb...

BATTERY INFORMATION NiCd BATTERY PACK (PB-32/PB-34) You must charge the battery pack before you can use it. The pack is delivered uncharged to provide you with the greatest number of charge/discharge cycles. It takes several charge/discharge cycles before achieving the full battery pack capacity. Af...

Insert the battery case into the bottom of the transceiver, and push in until the tab on the case locks in place. CAUTION: Do not install the battery pack or batteries in a hazardous environment where sparks could cause an explosion. BATTERY VOLTAGE LEVEL The horizontal bars on the Display show the ...

YOUR FIRST QSO If you tend to discard instruction manuals along with the packaging material....please don’t. The 4 steps below will get you on the air in your first QSO within minutes to allow you to experience the exhilaration that comes with opening a brand new transceiver. After spreading the wor...

GETTING ACQUAINTED ORIENTATION © PWRA/OL control ©ENC/SQL control

The purpose of the following sections is to describe basic functions. Please refer to later sections for greater detail. KEYS, CONTROLS, SWITCHES, INDICATORS (D PWRA^OL (PowerA/olume) control Turn the control clockwise until it clicks to switch ON the transceiver. To switch OFF the transceiver, turn...

(0) CALL Press to recall the Call channel. <© T/CT (Tone/CTCSS) Press to switch between Tone and CTCSS functions. ® REV (Reverse) Press to reverse the transmit and receive frequencies. This is particularly useful when monitoring a repeater to check the signal strength of a station on its transmit...

DISPLAY ^0 no eiBi ^ n n O © © © 0 © d) "OAppears when Key Lock is ON. Most keys and the ENC/SQL control are disabled if this function is activated. The ENC/SQL control lock can be bypassed. (D PAG Appears when Page is ON. Allows you to Page other stations that have the Page function on their tr...

® + - E] Displays the transmit offset direction in relation to the receive frequency. r- L . Displays the operating frequency, frequency step, Tone frequency, and current menu settings. Displays the current memory channel selected when using Memory Recall. Appears when Tone Alert is ON. Flashes when...

RECEIVING SWITCHING POWER ON/OFF To switch ON your transceiver, turn the PWRA/OL control clockwise and set it at the 11 o’clock position. Various indicators, including a receive frequency, appear on the display. Due to the automatic squelch feature, no sound will be heard from the speaker until you ...

SELECTING FREQUENCY STEP SIZE Choosing the correct step size when operating is essential in order to select your exact operating frequency with the ENC/SQL control. The best step size is the largest step that will still allow you to use the ENC/SQL control to select all frequencies on which you plan...

Changes in Displayed Frequencies Changing between step sizes may result in a change of the displayed frequency. When a change occurs, and by how much, is shown in the accompanying charts. For example, assume 144.995 MHz is displayed with a 20 kHz step size selected. Changing to a 25 kHz step size al...

DIRECT KEYPAD FREQUENCY ENTRY This function is available only on transceivers equipped with a DTMF keypad. Entering the desired frequency directly via the keypad can be the fastest way of selecting a different frequency especially when a small frequency step has been selected. If the new frequency i...

1 MHZ STEP FREQUENCY CHANGE KEY LOCK The 1 MHz Step feature allows rapid frequency excursions up or down the band with a minimum of key strokes. 1 Press [VFO] to select the VFO. 2 Press [F]. • The bar located under the 1 MHz digit begins blinking. H3JIX u 3 Turn the ENC/SQL control to select the des...

UNLOCKING ENC/SQL CONTROL BEEP TONE ON/OFF If you only want to lock the keys but not the ENC/SQL control when Key Lock is activated, that is possible too. 1 Press [CALL] + POWER ON to select Menu Set-up. 2 Turn the ENC/SQL control to select Menu No. 06. • The current status of ENC/SQL control lock a...

SELECTING OUTPUT POWER TRANSMITTING TIME-OUT TIMER (TOT) It’s wise, and required by law, to select the lowest power that allows reliable communication. This saves battery power which extends battery life, and lowers the risk of interfering with others on the band. Press IF], [PIT]. • The default is ...

INHIBITING THE TRANSMITTER BUSY FREQUENCY LOCK-OUT The transmit function can be disabled to prevent unauthorized individuals from transmitting, or to eliminate the risk of yourself accidentally transmitting. 1 Press [CALL] + POWER ON to select Menu Set-up. 2 Turn the ENC/SQL control to select Menu N...

A total of 40 memory channels (0 to 39) are available for storing frequencies and related data. Each memory channel can be used either as a simplex channel or split channel. Alternatively, a standard or non-standard frequency offset and offset direction required for using repeaters can be stored. Re...

4 Press [MR]. • The selected frequency and associated data are stored in the memory channel. • If the memory channel selected in the previous step already contained data, the new data overwrites the previous data. • The previous mode is restored. The " A " symbol under the channel number ind...

RECALLING MEMORY CHANNELS MEMORY ^ VFO TRANSFERS Using the ENC/SQL Control 1 Press [MR]. • The memory channel used last is recalled. • if all memory channels are empty, your transceiver beeps and Memory Recall is not selected. 2 Turn the ENC/SQL control to select the desired memory channel. • Clockw...

ERASING MEMORY CHANNELS CALL CHANNEL Although it is possible to overwrite existing data in any of the memory channels with new data, at times you may wish to clear data from memory channels without entering new data. It’s convenient to clear channels no longer used so you can identify channels that ...

Note: ^ Channel Display can be used only when data has been stored in at least l memory channel. ► Certain functions cannot be used if Channel Display is activated. The following chart identifies these functions: Non-functional with Channel Display ON Page Ref. Non-functional with Channel Display ON...

OPERATING THROUGH REPEATERS TRANSMITTER OFFSETS All Amateur Radio voice repeaters use a separate receive and transmit frequency. The transmit frequency may be higher or lower than the receive frequency but the difference in frequencies will be a standard amount, or "standard split". Most rep...

AUTOMATIC TRANSMIT OFFSET European Version U.S.A. and Canada Versions Automatic Offsets for the TH-22AT sold in these markets are programmed according to the standard ARRL (American Radio Relay League) Band Plan for repeater offset direction. You can override this programming by following the "S...

Canceling Automatic Offset Automatic Offset can be canceled as described below: 1 Press [CALL] + POWER ON to enter Menu Set-up. 2 Turn the ENC/SQL control to select Menu No. 07. • The current Automatic Offset status appears. • The default is "ON" for TH-22 versions sold in the U.S.A., Canada...

DTMF Tones Freq. {Hz) 1209 1336 1477 1633 697 1 2 3 A 770 4 5 6 B 852 7 8 9 c 941 * 0 # D Single-Frequency Tones Key Freq. (Hz) Key Freq. (Hz) 1 697 5 1209 2 770 6 1336 3 852 7 1477 4 941 8 1633 Note: Some repeaters'require a special key sequence to activate Autopatch. Check with the control operato...

2 Enter the desired DTMF digits using the keypad (15 digits maxinrium). • If incorrect data is entered, press [VFO] and enter the correct data from the beginning. • To abort data entry, press [CALL]. The previous mode is restored. 3 Press [MR], [1] to [5]. • Only press a single number corresponding ...

SCAN Scan is a useful feature for hands-off monitoring of your favorite frequencies. After becoming comfortable with how to use all 4 types of scan, the monitoring flexibility gained will increase your operating efficiency. The 4 types of scan are as follows: Scan Type Purpose Memory Scan Quick Acti...

VFO SCAN VFO Scan allows you to scan all frequencies tunable with the VFO using the currently selected frequency step size. 1 Press [VFO] (1 s). • Scan starts at the frequency currently displayed, then ascends upward. 2 To reverse the scan direction and scan down in frequency, turn the ENC/SQL contr...

SAVING POWER BATTERY SAVER Battery Saver becomes active when the squelch is closed and no key is pressed for more than 5 seconds. This feature becomes passive whenever any key is pressed or the squelch is opened. Once the squelch closes and 5 seconds pass with no further key entries, Battery Saver b...

CONTINUOUS TONE CODED SQUELCH SYSTEM (CTCSS) The CTCSS feature is available only when a TSU-8 CTCSS unit is installed. CTCSS functions by using subaudible tones that are superimposed on a transmitted signal to control a receiver’s squelch. When used in combination with the noise squelch, CTCSS provi...

DUAL TONE SQUELCH SYSTEM (DTSS) DTSS is available only on transceivers equipped with a DTMF keypad. DTSS provides a more refined method than CTCSS to selectively communicate with specific stations. A total of 1000 3-digit DTMF (Dual Tone Multi-Frequency) codes are available to be used as addresses f...

PAGE OVERVIEW Page is available only on transceivers equipped with a DTMF keypad. Similar to DTSS, Page uses DTMF codes to address a single station or a group of stations. Page is useful when waiting to receive a call from a specific station. A common group Page code and individual codes should be a...

2 Press [FI (1 s), [1]. no ur 3 Turn the ENC/SQL control to select Page memory A. - OJf* 4 Enter your station code (000 to 999) using the numeric keys. • This entry stores your station code in Page memory A. 5 Select Page memory 1 to 6 by turning the ENC/SQL control. 6 Enter a 3-digit group code or ...

RECEIVING 1 Tune to the prearranged frequency. 2 Press [F], [1] to switch ON Page. • "PAG" appears. You are ready to receive a call addressed with your station code or a group code. If no signal is received for more than 2 seconds after a Page has opened the squelch, the squelch then closes....

PAGE CODE AND REPEATERS LOCKING-OUT CODES Pressing [PTT] transmits the Page code after a short delay. This delay helps avoid losing Page data when using repeaters with long response times that may miss receiving a portion of the Page code. The delay time is 350 ms during simplex operation. When usin...

AUTO PAGE CANCEL OPEN PAGE After successfully paging another station, it is useful to turn OFF Page to eliminate sending a Page code each time you transmit. Auto Page Cancel handles this situation automatically when a station you called responds using the correct Page code to open your transceiver’s...

TONE ALERT Tone Alert provides an audible alarm to indicate when someone is transmitting on the frequency you are monitoring. Tone Alert Is an effective partner with CTCSS, Page, or DTSS. When the correct signaling comes through, your transceiver beeps to alert you of an incoming call from a specifi...

REMOTE CONTROL USING SMC-33 OR SMC-34 The optional SMC-33 or SMC-34 can be used to remotely control the transceiver for added convenience. The default assignments for the p J, [2], and [3] keys on these options are the functions of the [VFO], [MR], and [CALL] keys respectively on the transceiver {1:...

PACKET OPERATION One of the most exciting benefits of owning a handy FM transceiver nowadays is the ability to use it for VHF or UHF packet radio. Due to the smail size of the TH-22/TH-42 series handhelds, they are particularly handy for mobile or portable packet operation. By using a smail laptop c...

MAINTENANCE GENERAL INFORMATION Your transceiver has been factory aligned and tested to specification before shipment. Under normal circumstances, the transceiver will operate in accordance with these operating instructions. All adjustable trimmers, coils and resistors in the transceiver were preset...

SERVICE NOTE Dear YL70M,If you desire to correspond on a technical or operational problem, please make your note short, complete, and to the point. Help us help you by providing the following: 1 Model and serial number of equipment 2 Question or problem you are having 3 Other equipment in your stati...

TROUBLESHOOTING The problems described in this table are commonly encountered operational malfunctions. These types of difficulties are usually caused by improper hook-up, accidental incorrect control settings, or operator error due to incomplete programming, and are not caused by a circuit failure....

CONNECTING OPTIONAL EQUIPMENT When connecting an external speaker, an external microphone, or other equipment such as a TNC for packet radio to the speaker or microphone jack, refer to the diagram below: Speaker SP -- ---------------- V 1 I Ground £ 0> O) <u O- 3V MIC PTT 3V 0 2.5 plug Ul MIC ...

SPECIFICATIONS -——___ TH-22A/22AT/22E TH-42A/42AT/42E General Frequency range U.S./Canada Europe Australia General market 144 to 148 MHz 144 to 145 MHz 144 to 148 MHz 144 to 148 MHz 438 to 450 MHz 430 to 440 MHz 430 to 440 MHz Mode F2, F3 (FM) Usable temperature range -20°C to +60°C Rated Voltage Ex...

GLOSSARY 1 MHz step A function that steps the transceiver up or down in frequency by exactly 1 megahertz and increments or decrements the MHz digit by 1. The function works in a circular fashion. If a 1 megahertz step places the new frequency outside the transceiver band limit, the transceiver sets ...

QUICK REFERENCE GUIDE This guide assumes your transceiver is currently in VFO mode. Function Menu No. Action Page Power ON/OFF - - PWRA/OL 13 Automatic Power Off (APO) ON/OFF 02 Menu Set'Up (After APO turns transceiver OFF: PWFWOL) > 39 Autopatch See DTMF and DTMF Memory 31 Battery Saver ON/OFF 0...

Function Menu No. Action Page Squelch threshold [F], [MONI] ^ ENC/SQL — [VFO] ’ 13 Tone Alert ON/OFF ■ ON: [F], [CALL] OFF (before call): [F], [CALL] OFF (after call): [PTT] TH-22ETH-42E: Also [T/CT] 48 Transmitting• Busy Frequency Lock-out ON/OFF 14 Menu Set-up 20 • Power output [F], [PTT] 19 • Tim...