Shure 598T User manual

Model 598T User Guide
©2004, Shure Incorporated
27A6004B (Rev. 2)
Printed in U.S.A.
GENERAL DESCRIPTION
The 598T is a handheld, amplified, noise-canceling communica-
tions microphone that is FAA Certified for aircraft application (TSO-
C58a). In addition to its extremely clear transmission, even in noisy
environments, the 598T has very low sensitivity to hum pickup and
low susceptibility to radio frequency interference.
The 598T is ergonomically designed and fits naturally in the
hand. Its high-impact ARMO-DUR®case is strong, lightweight, and
comfortable to the touch in hot or cold environments.
A five-conductor MODULINK® cable (sold separately) connects
the microphone to the PJ-068 plug on most aircraft radios. This ca-
ble can be instantly changed or replaced without soldering. A min-
iature screwdriver is supplied for unlocking and removing the
cable.
The microphone is powered directly from the microphone input
of the transmitter, allowing the 598T to be installed and operated
with most modern aircraft radios without equipment modification.
Output levels are factory preset to meet TSO-C58a requirements.
Only an FAA Approved Service Facility or Shure Incorporated
should make adjustments.
FEATURES
• FAA CERTIFIED FOR AIRCRAFT USE
• USES DETACHABLE MODULINK
®
MODULAR-PLUG
COIL CORD (AVAILABLE WITH PJ-068,ALM-88, ALM-
89 AIRCRAFT-RADIO PLUG, A4M CONNECTOR)
• NOISE-CANCELING WITH FREQUENCY RESPONSE TAI-
LORED FOR OPTIMUM INTELLIGIBILITY
• BUILT-IN TRANSISTOR AMPLIFIER POWERED BY CAR-
BONMICROPHONE-TYPE CIRCUIT
• LOW SENSITIVITY TO HUM AND RF INTERFERENCE
• RUGGED MILLION-CYCLE PLUS ™ LEAF-TYPE
SWITCH
• STANDS UP UNDER SEVERE ENVIRONMENTS AND CON-
STANT USE. NICKEL-SILVER BLADES WITH PALLADIUM-
ALLOY CONTACTS FOR RELIABLE OXIDATION-FREE OP-
ERATION
• IMMUNE TO OIL, GREASE, MOST FUMES AND SOLVENTS,
SALT SPRAY, SUN, RUST AND CORROSION
• OUTSTANDING IN ITS ABILITY TO WITHSTAND MECHANI-
CAL SHOCKS AND VIBRATION.
• RUGGED AND DEPENDABLE UNDER ALL OPERATING
CONDITIONS
APPLICATIONS
Voice communication, including aerospace.
PART OF A COMPLETE LINE
The 598T is part of a full line of mobile microphones, circuitry
products and related accessories.
For a complete listing, contact your Shure Representative or vis-
it www.shure.com.
SET-UP
Mounting
A hang-up loop comes affixed to the microphone. Heavy-duty
mounting brackets for attachment to radio equipment or other sur-
faces are available as an accessory (Shure RK6MB).
Cable
To attach the cable to the 598T, insert the modular telephone-
type plug in the microphone jack until it locks. To remove the cable,
insert the supplied miniature screwdriver in case hole just above
the cable jack (see Figure 1) to unlock the plug and withdraw the
plug from the jack.
The MODULINK®cables are wired at the microphone connector
as shown in Figure 4. See the microphone connector wiring table
(Table 1).
OPERATION
1. Hold the microphone comfortably in the hand with the front of
the microphone facing the mouth.The clearest sound is often
obtained with the microphone at the corner of the mouth, with
the cable away from the face.
2. Depress the push-to-talk button to activate the microphone.
Make sure the equipment is in transmit mode when speaking.
Table 1-1. Microphone Connector Wiring
Pin Color Function Pin Color Function
1 N.C. 5 Black PTT
Switch
Ground
2 White Dc Bias (+),
Audio Out
6 Red Audio Out
(AC
coupled)
3 Yellow PTT Switch 7 Drain Ground
4 Blue NC 8 N.C.
®Shure, MODULINK®, and ARMO-DUR are registered trademarks of Shure, Incorporated.™
Million-Cycle Plus and Top-talk Sound Channel are trademarks of Shure Incorporated.
All other trademarks are the property of their respective owners.

2
SPECIFICATIONS
Type
Electret condenser, noise canceling
Frequency Response
350 to 6,000 Hz (see Figure 3)
FREQUENCY RESPONSE
FIGURE THREE
Polar Pattern
Bidirectional, noise canceling
Electrical Characteristics
Environmental Conditions
Operating Temperature: -30 to 60° C (-22 to 140° F)
Storage Temperature: -40 to 74° C (-40 to 165° F)
Relative Humidity: 0 to 95% (non-condensing)
Microphone Connector
6-conductor modular telephone type
PTT Switch assembly
Mechanical: Double-pole, single-throw, leaf-type, normally open
Cable
ALM-88, detachable MODULINK®, 1.8 m (6 ft) extended cord
with modular plug on microphone end and PJ-068 aircraft con-
nector on equipment end; and ALM-89 with A4M type connec-
tor.
Construction
Case: Black textured high-impact ARMO-DUR®
Switch Button: Black ARMO-DUR®Hang-up Loop: Matte finish
stainless steel
Dimensions
See Figure 2
Net Weight (including cable and connector)
283 g (10 oz)
FAA Certification
The Model 598T is FAA Certified for aircraft use under FAA
TSO-C58a requirements. To maintain this FAA Certification,
any service required for the Model 598T must be performed by
Shure Incorporated or by an FAA Approved Service Facility.
Limited Warranty
Shure Incorporated (“Shure”) hereby warrants that this product
will be free in normal use of any defects in materials and workman-
ship for a period of one year from the date of purchase for all car-
tridge and housing assembly parts and for a period of one year
from the date of purchase for all transmitter parts. At its option
Shure will repair or replace the defective product and promptly re-
turn it to you, or refund the purchase price. You should retain proof
of purchase to validate the purchase date and return it with any
warranty claim. If you believe this product is defective within the
warranty period, carefully repack the unit, insure it and return it
postage prepaid to:
Shure Incorporated
Attention: Service Department
5800 W. Touhy Avenue
Niles, IL 60714-4608 U.S.A.
Outside of the United States, return the product to your dealer
or Authorized Service Center.
This warranty does not apply in cases of abuse or misuse of the
product, use contrary to Shure’s instruction, ordinary wear and
tear, an act of God or unauthorized repair. All implied WARRAN-
TIES OF MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE are hereby disclaimed and Shure hereby disclaims lia-
bility for incidental, special, or consequential damages resulting
from the use or unavailability of this product. Some states do not
allow limitations on how long an implied warranty lasts, or the ex-
clusion or limitation of incidental or consequential damages, so the
above limitation may not apply to you. This warranty gives you spe-
cific legal rights, and you may have other rights which vary from
state to state.
THIS WARRANTY SUPERSEDES ALL OTHER WARRANTIES
THAT ARE ASSOCIATED OR INCLUDED WITH THIS PRODUCT.
Furnished Accessories
Screwdriver......................................................... 80B498
Optional Accessories
Mounting Bracket (3 in kit) .................................. RK6MB
Replacement Parts
Modular plug-cable with PJ-068 plug assembly..ALM-88
A4M type connector ............................................ALM-89
200001000 1000050 100
98765432 98765432
+10
0
–10
Hz
dB
(1 Pascal acoustic
test signal at 1
kHz, 6 mm)**
–25.5 dBV
(53.1 mV)
–25.0 dBV
(56.2 mV)
–24.8
dBV
(57.5 mV)
Operating Voltage
8 V 16 V 28 V
Audio Output Level*
Dc Supply Current 2.3 mA 11 mA 27 mA
* Standard electrical test circuit per RTCA DO-214
**1 Pascal = 94 dB SPL

3
FIGURES
MICROPHONE CASE BACK
FIGURE ONE
OVERALL DIMENSIONS
FIGURE TWO
MODULINK®CABLE WIRING
FIGURE FOUR
CABLE RELEASE
44.4 mm
40.4 mm
(1-19/32 IN.)
(1-3/4 IN.)
70 mm
64 mm
(2-1/2 IN.)
(2-3/4 IN.)
101 mm
(3-31/32 IN.)
1.9 mm
(5/64 IN.) 42.8 mm
( 1-11/16 IN.)
36.9 mm
(1-15/32 IN.)
25.4 mm
(1 IN.)
RED
WHITE
WHITE
RED
PJ-068 CONNECTOR (TO RADIO)
RJ11 CONNECTOR (TO MICROPHONE)
BLACK
BLUE
YELLOW
DRAIN
NC
NC
DRAIN
BLACK
BLUE
YELLOW
SLEEVE (GROUND)
RING (AUDIO)
TIP (PTT)

SHURE Incorporated Web Address: http://www.shure.com
5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.
In U.S.A., Phone: [phone] Fax: [phone]
In Europe, Phone: [phone] Fax: [phone]
In Asia, Phone: [phone] Fax: [phone]
International Fax: [phone]
ENVIRONMENTAL QUALIFICATION FORM, TSO-C58a
DO-214
PARA. #
CONDITIONS
DO-160C
PARA. # DESCRIPTION OF TESTS
2.5.1.1 Ground Survival Low Temperature
and Operating Low Temperature
4.5.1 Microphone tested to Category D1
2.5.1.2 Ground Survival High
Temperature and Short-Time
Operating High Temperature
4.5.2 Microphone tested to Category D1
2.5.1.3 Operating High Temperature 4.5.3 Microphone tested to Category D1
2.5.1.4 Altitude 4.6.1 Microphone tested at altitude equivalent to 15,200 m
(50,000 ft) = 11.6 kPa (116 mbar, 87 mm [3.42 in.] Hg)
2.5.1.5 Decompression 4.6.2 Microphone tested at altitude equivalent to 15,200 m
(50,000 ft)
2.5.1.6 Overpressure 4.6.3 Microphone tested at pressure = 170 kPa; equivalent
altitude = –15,000 ft
2.5.2 Temperature Variation –
Preamplifier
5.3 Microphone tested to Category B for two cycles.
2.5.3 Humidity 6.3.1 Microphone tested to Category A for 2 cycles.
2.5.5 Vibration 8.5 Microphone tested to Categories N, B, & M (Table 8-1,
Not on Vibration Isolators)**
2.5.6 Magnetic Effect 15.3 Microphone tested to Equipment Class Z; no
magnetic properties
2.5.8.1 Voltage Spike Conducted 17.3 Microphone tested to Category A
2.5.10 Induced Signal Susceptibility* 19.3 Microphone tested to Category Z
2.5.11 Radiated RF Susceptibility*† 20.5†Microphone tested to Category A
2.5.12 Emission of RF Energy* 21.4 Microphone tested to Category Z
2.5.14 Final Distortion After all required environmental tests microphone
meets requirements of DO-214, 2.6.2.4
2.5.15 Push-To-Talk Switch Life After all required environmental tests microphone
meets requirements of DO-214, 2.6.2.9
Fire Retardance In accordance with FAR 25; 25.869(a)(4) and
Appendix F, Part I (a)(3)(b)***
* Tests performed at Radiometrics Midwest Corporation,
Lombard, IL
† Tested to DO-160B
**Tests performed at Elite Electronic Engineering,
Downers Grove, IL
***Tests performed at Gaynes Test Laboratories, Chicago, IL
All other tests performed at Shure Incorporated, Evanston, IL