Kenwood TH-55AT Series- Manuals

Page 2 - SAVE THIS INSTRUCTION MANUAL; CONTENTS

Thank you for purchasing this new transceiver. IMPORTANT:_______________________ Please read this instruction manual carefully before placing your transceiver in service. SAVE THIS INSTRUCTION MANUAL This Instruction Manual covers the following models: TH-25AT :144 MHz FM transceiver with DTMF Pad. ...

Page 3 - SPECIFICATIONS and ACCESSORIES

1. SPECIFICATIONS and ACCESSORIES 1-1 SPECIFICATIONS ■ G E N E R A L TH-25A/25AT/25E 2 m Band TH-45A/45AT/45E 70 cm Band TH-55AT/55E 23 cm Band FREQUENCY RANGE (MHz) U.S. A. version 144.000^.147.995 440.000'\^49.995 1258.000'vl 300.000 European and U.K. version 144.000'vl 45.995 430.000'v439.995 125...

Page 5 - -3 MANGANESE or ALKALINE BATTERIES

2. BATTERY PACK 2-1 NiCd BATTERY PACK (PB-6) This battery pack has not been charged at the factory in order to provide you with the greatest number of charge/discharge cycles. You must charge the battery before use. The battery pack will require several charge/discharge cycles before you can expect ...

Page 6 - -5 BATTERY VOLTAGE LEVEL METER; The S meter indicates the relative battery voltage during; NiCd Battery pack; Anodine mangarww

2-5 BATTERY VOLTAGE LEVEL METER The S meter indicates the relative battery voltage during transmit. Recharge/replace the batteries when the level reaches the low indicator. NiCd Battery pack MODEL V mAli Fully charged Fully discharged PB-5 200 PB-6 7.2 600 or PB-9 PB-7 PB-8 12 1100 600 Manganese or ...

Page 7 - key

3. OPERATION 3-1 OPERATING CONTROLS (T) Antenna connector Connect the antenna that is supplied to this jack. Twist to lock. d) TX indicator ON whenever the transceiver is in the transmit mode. (D Volume control/Power switch The volume control and power switch are combined. Rotating the control clock...

Page 8 - cross; OO LSfUIUlU; BUSYr

LCD display i Z i ) cross OO LSfUIUlU BUSYr ® (li)® © (European version: s — ) Displays the selected transmitter offset direction. When neither indicator is ON the transceiver is in the Simplex mode. When both indicators are ON the transceiver is in the Split Channel mode.When a indicator flashes th...

Page 11 - • VFO Mode; Step Size Selection; -3 TRANSMITTER OPERATION; (SWR) is attached to the antenna connector before attemp

3-2 RECEIVER OPERATION Connect the battery pack, and the supplied antenna.Set the controls as follows: 1. Rotate the POWER (VOL) control clockwise to turn the transceiver ON. A frequency will appear in the display. 2. As the VOL control is rotated clockwise either background noise or a QSO will be h...

Page 13 - c n n; f l O f i

3-4-3 MEMORY SHIFT It is possible to copy the contents of a memory channel to the VFO without erasing the memory channel. 1. Select the desired Memory Channel. (For example Ch. 12) 2. Press the M key. 3. Within 5 seconds press the VFO key to copy the data. 3-4-4 MEMORY RECALL 1. Press the MR key. Th...

Page 16 - -6 REPEATER OPERATION; • Offset Direction

3-6 REPEATER OPERATION 3-6-1 TRANSMITTER OFFSETS All amateur radio repeaters utilize a separate receiver and transmitter section. The receiver frequency may be either above or below the transmitter frequency. For most repeaters offsets are as follows: \ Modal оьДPtey \ TH-25A TH-25AT TH-25E TH-45A T...

Page 19 - -8 TONE ALERT SYSTEM; -10 AUTOMATIC POWER OFF; O f f; Release

The Tone Alert function will provide an audible “alarm" to signal when someone is transmitting on the frequency you are monitoring. For proper tone alert system operation the squelch must be set to the threshold point. 1. Press the T.ALT key. The T.ALT indicator will light. 2. When a signal is p...

Page 20 - The Hz dot will light as a

3-11 BATTERY SAVER and AUTOMATIC POWER OFF function CANCEL (TH-55AT/55E only) 1. Turn the Power switch OFF. 2. Press and hold the MHz key.3. Turn on the Power switch and then release the MHz key. 4. The Hz dot will light as a .visual reminder that the Battery Saver and Automatic Power OFF function ...

Page 22 - IN CASE OF DIFFICULTY

IN CASE OF DIFFICULTY The problems described in this table are failures caused in general by improper operation or connection of the transceiver, not by defective components. Examine and check according to the following table. Symptom Probable cause Action Indicators do not light and data is not dis...

Page 23 - OPTIONAL ACCESSORIES

6. OPTIONAL ACCESSORIES HS-7 HS-8 HEADSET WITH VOX/PTT HMC-2 WATER RESISTANT BAG WR-1 ^ SOFT CASE SC-14 for TH-25/ 45 series SC-17 for TH ,55 I series (for PB- 15) RA-3 {144 MHz) CTCSS UNIT TSU-6 I T -rii I sen I for TH- 1^55 series SPEAKER MICROPHONE SMC-31 SOFT CASE SC-15 for TH-25/45 series SC-18...