Corometrics Model 340 OPERATOR’S MANUAL MANUAL P/N 2003720-001 REV.
Corometrics Model 340 OPERATOR’S MANUAL MANUAL P/N 2003720-001 REV.
GUARANTEE All equipment sold by GE Medical Systems Information Technologies is fully guaranteed as to materials and workmanship for a period of 1 year. Information Technologies reserves the right to perform guarantee service operations in its own factory, at an authorized repair station, or in the customer’s installation.
Contents Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii 1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 General Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 Controls, Indicators, and Connectors . . . . . . . . . . . . . . . 3-1 Model 340R Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Model 340R Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Model 340R Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Model 340T Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 General Cleaning Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Cleaning the Transmitter and Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3 7 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 Problem Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
For your notes iv Model 340 Telemetry System 2003720-001 Revision B
Figures Figure 3-1. Model 340R Receiver Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2 Figure 3-2. Model 340R Receiver Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4 Figure 3-3. Model 340T Transmitter Bottom Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6 Figure 3-4. Model 340T Transmitter Top Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-12. Attaching the Carrying Strap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-9 Figure 4-13. Applying Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-10 Figure 4-14. Connecting an Ultrasound Transducer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-11 Figure 4-15. Connecting the Headset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tables Table 1-1. Definitions of Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3 Table 1-2. Equipment Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8 Table 2-1. Summary of Monitor Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3 Table 3-1. Receiver Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
For your notes viii Model 340 Telemetry System 2003720-001 Revision B
Chapter 1 ! 1 Safety The information presented in this section is important for the safety of both the patient and operator and also serves to enhance equipment reliability. This chapter describes how the terms Danger, Warning, Caution, Important, and Note are used throughout the manual. In addition, standard equipment symbols are defined. This section includes the following important information: General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety: General Information General Information General Use If any equipment is cold to the touch or below ambient temperature, allow it to stabilize before use. To ensure patient safety, use only parts and accessories manufactured or recommended by GE Medical Systems Information Technologies. Parts and accessories used shall meet the requirements of IEC 601.1.1. Disposable devices are intended for single use only. They should not be reused.
Safety: Definitions of Terminology Definitions of Terminology Six types of special notices are used throughout this manual. They are: Danger, Warning, Caution, Contraindication, Important, and Note. The warnings and cautions in this safety section relate to the equipment in general and apply to all aspects of the equipment. Be sure to read the other chapters because there are additional warnings and cautions which relate to specific features of the equipment.
Safety: Equipment Safety Information Equipment Safety Information Warnings :$51,1*6 ACCIDENTAL SPILLS—In the event that fluids are accidentally spilled on the equipment, take the equipment out of operation and inspect for damage. APPLICATION—This equipment is not designed for direct cardiac connection. CONDUCTIVE CONNECTIONS—Avoid making any conductive connections to applied parts (patient connection) which are likely to degrade safety.
Safety: Equipment Safety Information :$51,1*6 ELECTROSURGERY—The equipment is not designed for use with high-frequency surgical devices. In addition, measurements may be affected in the presence of strong electromagnetic sources such as electrosurgery equipment. EXPLOSION HAZARD—Do not use this equipment in the presence of flammable anesthetics or inside an oxygen tent. GROUNDING—Do not defeat the three-wire grounding feature of the power cord by means of adaptors, plug modifications, or other methods.
Safety: Equipment Safety Information :$51,1*6 LINE ISOLATION MONITOR TRANSIENTS—Line isolation monitor transients may resemble actual cardiac waveforms, and thus cause incorrect heart rate determinations and alarm activation (or inhibition). MRI USE—Do not use the equipment during MRI scanning; conducted current could potentially cause burns. PATIENT CABLES AND LEADWIRES—Do not use patient cables and electrode leads that permit direct connection to electrical sources.
Safety: Equipment Safety Information Cautions &$87,216 ANNUAL SERVICING—For continued safety and performance of the equipment, it is recommended that the calibration, accuracy, and electrical safety of the equipment be verified on an annual basis by an Information Technologies Service Representative. DAILY INSPECTION—It is essential that the equipment and accessories be inspected prior to every use.
Safety: Equipment Symbols Equipment Symbols The following is a list of symbols used on products manufactured by Information Technologies. Some symbols may not appear on your equipment. Table 1-2. Equipment Symbols ! ATTENTION: Consult accompanying documents. TYPE B EQUIPMENT. Type B equipment is suitable for intentional external and internal application to the patient, excluding direct cardiac application. TYPE BF EQUIPMENT.
Safety: FCC Information FCC Information FCC Rules Compliance This equipment complies with Part 15 of FCC rules. Operation is subject to the condition that this device does not cause harmful interference. FCC RF Exposure Compliance ,03257$17 RF EXPOSURE—To comply with FCC RF exposure compliance requirements, users should avoid grasping the antenna for any extended period of time while the device is in operation.
For your notes 1-10 Model 340 Telemetry System 2003720-001 Revision B
Chapter 2 Introduction 2 This chapter contains the following information: Product Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction: Product Summary Product Summary The Corometrics Model 340 Telemetry System (Model 340R Receiver and Model 340T Transmitter) provides a wireless means of transmitting heart rate and uterine activity signals from an ambulatory mother to a bedside fetal or maternal/fetal monitor. The system operates with the following Corometrics brand monitors; if your monitor is not listed, check with your saleperson or service representative for a more current list.
Introduction: Product Features Product Features The following is a summary of product features: n Battery operated transmitter provides up to 20 hours* of continuous transmission when operated with fresh batteries. n A Low Battery indicator, accompanied by an audio indicator, signals an impending low-battery condition. n A transmitter headset* allows the patient or staff to hear the ultrasonically detected heartbeats for reassurance as well as to verify proper transducer placement.
For your notes 2-4 Model 340 Telemetry System 2003720-001 Revision B
Chapter 3 Controls, Indicators, and Connectors 3 This section describes all controls, indicators, and connectors on a Model 340 Telemetry System. Model 340R Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Model 340T Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Controls, Indicators, and Connectors: Model 340R Receiver Model 340R Receiver Model 340R Front Panel 340R Telemetry Receiver E COROMETRICS + D TOCO IUP XXX A ~ C B Figure 3-1.
Controls, Indicators, and Connectors: Model 340R Receiver Table 3-1. Receiver Front Panel Name Description This switch communicates the active uterine activity mode to the fetal or maternal/fetal monitor: A UA Mode Selector Switch n When monitoring with a tocotransducer, set the switch to the TOCO position. n When monitoring with an intrauterine pressure catheter, set the switch to the IUP position.
Controls, Indicators, and Connectors: Model 340R Receiver Model 340R Rear Panel E ! D WARNING: TO REDUCE FIRE HAZARD REPLACE FUSE AS MARKED. ~ 120Vac A ANTENNA ULTRASOUND 120V ~ 50-60HZ 30W 0.25A SLOW BLOW ECG UA CONNECT TO COROMETRICS MONITORS ONLY CAUTION OUTPUTS TO MONITOR ! B C Note: Antenna shown removed. Figure 3-2.
Controls, Indicators, and Connectors: Model 340R Receiver Table 3-2. Receiver Rear Panel Name A AC Line Connector and Fuseholder Module Description This module houses the AC-line input connector and the main fuses for the Model 340R Receiver: n 100–120 VAC: requires two, 1 A slow-blow fuses. n 220–240 VAC: requires two, 1 A time-lag fuses. This connector is used with 120 and 170 Series Monitors only. Do not use this connection method for Models 115, 116, 118, 145, 150, 151, and 155 Monitors.
Controls, Indicators, and Connectors: Model 340T Transmitter Model 340T Transmitter Model 340T Bottom Panel C B A Figure 3-3.
Controls, Indicators, and Connectors: Model 340T Transmitter Table 3-3. Transmitter Bottom Panel Name Description Connect a Corometrics 5700 Series pulsed Doppler ultrasound transducer to this light gray receptacle. A Revision B Ultrasound Input Corometrics 5600 Series continuous-wave ultrasound transducers are not compatible with the Model 340 Telemetry System. The 5600 Series Transducer was designed for use with Models 115 and 145 Monitors and Models 320 and 330 Telemetry Systems.
Controls, Indicators, and Connectors: Model 340T Transmitter Model 340T Top Panel A B C D E A Note: Antenna shown removed. Figure 3-4.
Controls, Indicators, and Connectors: Model 340T Transmitter Table 3-4. Transmitter Top Panel Name Description A Loops Loops for attaching the carrying strap. B Headset Connector Connect the headset to this receptacle to listen to the fetal heart rate derived from ultrasound. Connect a Corometrics Remote Event Marker to this receptacle.
Controls, Indicators, and Connectors: Model 340T Transmitter Model 340T Rear Panel Battery Compartment Battery Compartment ! BATTERY COMPARTMENT DANGER: POSSIBLE EXPLOSION HAZARD IF USED IN THE PRESENCE OF FLAMMABLE ANESTHETICS. CAUTION: REFER SERVICE ONLY TO QUALIFIED PERSONNEL Figure 3-5. Model 340T Transmitter Rear Panel Battery Compartment The battery compartment holds four “AA” alkaline batteries.
Chapter 4 Setup Procedures 4 This section contains step-by-step instructions for connecting and testing your Model 340 Telemetry System. ,03257$17 CHANNEL NUMBERS—Ensure that the Model 340R Receiver and Model 340T Transmitter are operating on the same frequency; the channel numbers must be identical. The channel number label is located on the front of the Model 340R and on the side of the Model 340T.
Setup Procedures: Connecting the Receiver and Monitor Connecting the Receiver and Monitor There are two types of interconnection methods depending on the model of your fetal or maternal/fetal monitor. Check your monitor model number prior to making any connections. Models 115, 116, 118, 145, 150, 151, and 155 1. Turn off both the monitor and the Model 340R Receiver. 2. Place the receiver on top of, or near, the monitor.
Setup Procedures: Connecting the Receiver and Monitor 3. Insert the receiver antenna (longer of the two antennas) into the rear panel Antenna connector ; rotate the attachment collar in a clockwise direction until snug. 127( A Remote Antenna Bracket, cat. no. (REF) 1441AAO, is available for attaching the antenna when the receiver will be enclosed in a cart or cabinet. Refer to the Installation Instructions, part no.
Setup Procedures: Connecting the Receiver and Monitor 5. Connect the remaining ends of the cables to the color-coded Ultrasound, ECG, and UA input connectors on the front or side panel of the monitor. Note: Model 118 shown. Figure 4-4. Attaching the Monitor Interconnect Cables 6. Connect one end of the Remote Event Mark interconnect cable to the connector on the receiver rear panel; connect the other end to the Remote Marks connector on the rear or side panel of the monitor. Note: Model 118 shown.
Setup Procedures: Connecting the Receiver and Monitor 120 and 170 Series ,03257$17 120 SERIES COMMUNICATIONS OPTION—A 120 Series Monitor requires a Communications Board in order to interface to a Model 340 Telemetry System. If your monitor does not have this option, an upgrade kit is available as cat. no. (REF) 1559BAO. Contact your Service Representative for more information. 1. Turn off both the monitor and the Model 340R Receiver. 2. Place the receiver on top of, or near, the monitor. 3.
Setup Procedures: Connecting the Receiver and Monitor 4. Plug one end of the interconnection cable into the Auxiliary Output connector (Connect to Corometrics Monitor Only) on the receiver rear panel. 5. Plug the other end into the respective telemetry connector on the real panel of the monitor: 120 Series: Connect to J101. WARNING: TO REDUCE FIRE HAZARD REPLACE FUSE AS MARKED. ! ~ 120Vac ANTENNA ECG ULTRASOUND 120V ~ 50-60HZ 30W 0.
Setup Procedures: Setting Up the Model 340T Transmitter Setting Up the Model 340T Transmitter Installing Batteries 1. Turn off the Model 340T Transmitter. 127( If the Model 340T Transmitter will not be used for an 2. Locate the battery compartment cover plate on the transmitter rear extended period of time, remove panel. the batteries to prevent damage due to battery leakage. 3. Remove the cover plate. Use your thumb to lift the raised end.
Setup Procedures: Setting Up the Model 340T Transmitter 5. Insert four new “AA” alkaline batteries, observing the polarity markings in the battery compartment. + + ! BATTERY COMPARTMENT + + DANGER: POSSIBLE EXPLOSION HAZARD IF USED IN THE PRESENCE OF FLAMMABLE ANESTHETICS. CAUTION: REFER SERVICE ONLY TO QUALIFIED PERSONNEL Note: Antenna shown removed Figure 4-10. Transmitter Battery Orientation 6. Replace the battery compartment cover plate.
Setup Procedures: Setting Up the Model 340T Transmitter Attaching the Antenna Insert the transmitter antenna (shorter of the two antennas) into the top panel Antenna connector; rotate the attachment collar in a clockwise direction until snug. ! BATTERY COMPARTMENT DANGER: POSSIBLE EXPLOSION HAZARD IF USED IN THE PRESENCE OF FLAMMABLE ANESTHETICS. CAUTION: REFER SERVICE ONLY TO QUALIFIED PERSONNEL Figure 4-11.
Setup Procedures: Performing a Functional Checkout Performing a Functional Checkout Initial Conditions Turn on the Model 340T Transmitter, the Model 340R Receiver, and the monitor attached to the receiver. + Figure 4-13. Applying Power Testing the Radio Frequency 1. Check the status of the Signal indicator Receiver: on the Model 340R u Continuous Green: indicates the transmitter is active and the batteries have adequate capacity. u Flashing Green: indicates the signal strength is weak or marginal. 2.
Setup Procedures: Performing a Functional Checkout Testing the Ultrasound Functions ,03257$17 TRANSDUCER TYPE—Use only Corometrics 5700 Series Ultrasound Transducers with the Model 340 Telemetry System. 1. Plug an ultrasound transducer into the Ultrasound connector on the transmitter. Figure 4-14. Connecting an Ultrasound Transducer 2. Verify the following: u Models 115, 145: The corresponding FHR display reads 0 BPM.
Setup Procedures: Performing a Functional Checkout 4. Plug the headset into the transmitter’s headset connector . Figure 4-15. Connecting the Headset 5. Rub the face of the ultrasound transducer. Verify that you can hear ultrasound audio tones from both sides of the headset.
Setup Procedures: Performing a Functional Checkout Testing the ECG Functions 127( Not all monitors have a legplate tester. Refer to your monitor’s operator’s manual for complete information. 1. Slide the legplate into the monitor’s Legplate Tester jack and hold firmly in place. (The legplate tester uses an internal ECG simulator circuit for testing cable/legplate assemblies. The tester simulates a signal of 120 BPM ± 1 BPM.) 2. Plug the other end into the ECG connector on the transmitter.
Setup Procedures: Performing a Functional Checkout Testing the UA Functions 1. Place the receiver’s UA Mode Selector switch in the TOCO position. ,03257$17 TRIMLINE TOCOTRANSDUCERS—If the monitor is on when you connect or re-connect a Trimline Tocotransducer to the UA connector, you must wait at least 10 seconds before pressing the UA Reference button. If the monitor is off, you must wait at least 10 seconds from the time the monitor is powered on. 2.
Setup Procedures: Performing a Functional Checkout 3. Press the monitor’s UA Reference button to set the UA value to 10 relative units. Verify the following on the monitor: u If the monitor has a UA display: the display reads 10 relative units. u If the monitor does not have a UA display: turn on the strip chart recorder and check that the UA REF message and TOCO mode annotation both print on the paper. 4.
Setup Procedures: Performing a Functional Checkout Testing the Remote Event Marker Function 1. Plug the Remote Event Marker into the transmitter’s Remote Marks connector. 2. Turn on the monitor’s strip chart recorder. 3. Press the Remote Event Marker’s pushbutton for at least one second. Verify that an appropriate mark is printed on the paper: u u : This annotation is commonly used to record an “event.” This mark is available on all Corometrics-brand monitors.
Chapter 5 Monitoring via Telemetry5 This section provides a brief overview of telemetry monitoring procedures. Refer to the "Maternal/Fetal Monitoring Operator’s Manual" for patient application information. Also refer to your monitor’s operator’s manual. Suggestions for Ambulatory Monitoring. . . . . . . . . . . . . . . . 5-2 Monitoring Reminders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Monitoring via Telemetry: Suggestions for Ambulatory Monitoring Suggestions for Ambulatory Monitoring ,03257$17 DESIGNATED AREAS—Show the patient the areas that are within signal range and where signal reception is clear. 1. Instruct the patient to wear the Model 340T Transmitter with the antenna pointed towards the Model 340R Receiver when possible. 2. Adjust the carrying strap to a comfortable length. 3. Encourage the patient to walk in a smooth, gliding motion.
Monitoring via Telemetry: Monitoring Reminders Monitoring Reminders General n Use the correct interconnection method according to your monitor model. See page 4-2 and page 4-5. n Remember to apply power to all three devices: monitor, receiver, and transmitter. n Check that each interconnection cable is firmly attached to both the receiver and the monitor. n As soon as any telemetry mode is detected, the front panel of the 120 or 170 Series Monitor is disabled and all front panel inputs are ignored.
Monitoring via Telemetry: Monitoring Reminders Tocotransducer n Remember to place the receiver’s UA Mode Selector switch in the TOCO position. n When connecting or re-connecting a Corometrics Trimline Tocotransducer to the transmitter’s UA connector, you must wait at least 10 seconds before pressing the monitor’s UA Reference button. If any device (monitor, receiver, transmitter is off), you must wait at least ten seconds from the time the last device is powered on.
Chapter 6 Maintenance 6 All equipment, no matter how reliable, needs to be maintained on a regular basis. This section describes general care and cleaning instructions for the Model 340 Telemetry System. General Cleaning Precautions. . . . . . . . . . . . . . . . . . . . . . . . 6-2 Cleaning the Transmitter and Receiver . . . . . . . . . . . . . . . .
Maintenance: General Cleaning Precautions General Cleaning Precautions 127( Refer to your monitor’s operator’s manual for cleaning instructions for the monitor and transducers. 6-2 &$87,21 SHOCK—Unplug the fetal or maternal/fetal monitor and the Model 340R Receiver from the AC power source and detach all accessories. Do not immerse accessories in any liquid. Do not use abrasive cloth or cleaners on the monitor, the Model 340R Receiver, the Model 340T Transmitter, or any accessories.
Maintenance: Cleaning the Transmitter and Receiver Cleaning the Transmitter and Receiver 1. Wipe any fluids from the surface of each unit. 2. Dampen a soft cloth with isopropyl alcohol and gently rub soiled area until clean. 3. Dry with a soft, dry cloth.
For your notes 6-4 Model 340 Telemetry System 2003720-001 Revision B
Chapter 7 Troubleshooting 7 This section of the manual provides a troubleshooting guide for the most basic Model 340 operational problems. If the response to a specific question is not found, contact the Service Department at one of the following telephone numbers: Revision B Inside the United States: Call 1-800-558-5120. Outside the United States: Call 414-355-3790; or contact your local distributor.
Troubleshooting: Problem Chart Problem Chart Table 7-1. Troubleshooting Problem Receiver Power indicator does not light when the receiver is turned on. Probable Cause n Receiver not connected to AC n Connect to AC receptacle. receptacle. n Defective AC power cord. n Defective AC outlet. n Replace AC power cord. n Use a different AC outlet. n Transmitter batteries completely n Replace batteries. Dispose of used discharged. Signal indicator flashes with transmitter turned on.
Troubleshooting: Problem Chart Table 7-1. Troubleshooting (Continued) Problem Probable Cause n Transducer not properly placed. n Transducer not properly connected to transmitter. n Receiver interconnection cable(s) not properly attached. n Receiver interconnection cable(s) Erratic FHR/UA recording. defective. n Wrong interconnection cable(s) in use. n Radio frequency interference. n Exceeding transmission range. n Shielding effect of hospital structure.
For your notes 7-4 Model 340 Telemetry System 2003720-001 Revision B
Chapter 8 Supplies and Accessories 8 This section provides an overall listing of supplies and accessories for use with a Corometrics Model 340 Telemetry System and with Corometrics Fetal or Maternal/Fetal Monitors. To order any of the supplies and accessories listed in this manual: Inside the United States: Call 1-800-558-5120. Outside the United States: Call 414-355-3790; or contact your local distributor. This chapter contains the following information: General . . . . . . . . . . . . . . . . . . .
Supplies and Accessories: General General Table 8-1.
Supplies and Accessories: Paper Paper Table 8-2.
Supplies and Accessories: Ultrasound Ultrasound Table 8-3.
Supplies and Accessories: FECG FECG Table 8-4.
Supplies and Accessories: Tocotransducer Tocotransducer Table 8-5.
Supplies and Accessories: IUPC IUPC Table 8-6.
Supplies and Accessories: MECG MECG Table 8-7. MECG Supplies Item Catalog Number (REF) MECG Cable (round connector) for use with detachable leadwires, USA/AHA 1554AAO MECG Cable (round connector) for use with detachable leadwires, Intl.
Chapter 9 Technical Specifications9 127( Specifications are subject to change without notice. This section contains a detailed list of the technical specifications for the Model 340 Telemetry System. This chapter lists specifications for the following: Model 340T Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 Model 340R Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Specifications: Model 340T Transmitter Model 340T Transmitter Table 9-1. Model 340T Transmitter Category Technical Specifications Physical Characteristics Height: Width: Depth: Weight: 1.8 in (4.5 cm) 5.4 in (13.8 cm) 7.5 in (19.0 cm) 1.75 lbs (0.
Technical Specifications: Model 340T Transmitter Table 9-1. Model 340T Transmitter Category Technical Specifications Batteries Type: Life: Four “AA” Alkaline Cells, 6.0 Vdc at 2450 mAh 20 h, approximatelya Control: On/Off Switch Audio Indicator: Low Battery Connectors: Remote Event Marker Input, Headset Output a Use of the headset will deplete the batteries more rapidly.
Technical Specifications: Model 340R Receiver Model 340R Receiver Table 9-1. Model 340R Receiver Category Technical Specifications Power Requirements Nominal Line Voltage: Line Frequency: Power Consumption (maximum): Chassis Leakage: 100–120 VAC 50/60 Hz 30 W <50 µ A Physical Characteristics Height: Width: Depth: Weight: 3.2 in (8.1 cm) 7.4 in (18.8 cm) 11.4 in (29.0 cm) 7.0 lbs (3.
MANUAL P/N 2003720-001 Ê2003720-001kŠ REV B
