Williams Sound TGS PRO 738 Specifications

SPECIFICATION DATA

Group Sight-Seeing Tours • Factory and Plant Tours • College Campus Tours • Museum Tours

• Cruise Ships • Special Events • Employee Training

TGS PRO 738

Personal PA® Tour Guide System

The Personal PA® Tour Guide System, model TGS PRO 738,
helps tour group members with hearing diculties overcome
background noise and distance from the guide. Use it in factories,
museums, power plants—anywhere hearing assistance is needed.
System includes one (1) T46 transmitter with MIC 100 microphone,
ten (10) PPA R38 receivers, batteries and system carry case.
System operates on 72-76 MHz bandwidth for hearing assistance.

TGS PRO 738

Personal PA® Tour Guide System

T46 TOP

T46 FRONT

PPA T46 Transmitter

Dimensions: 4.1” L x 2.8” W x 1.1” D (104 mm x 71 mm x 28 mm)

Weight: 2.6 oz (74 g), no batteries

Color: Black/Silver

Enclosure Material: Shatter-resistant PC/ABS plastic with textured scratch-resistant aluminum

POWER ON/OFF,
MUTE BUTTON

MIC
JACK

OLED

DISPLAY

LEFT

ARROW

BUTTON

MENU

BUTTON

POWER "ON",
LOW BATTERY
LED

AUXILIARY
INPUT JACK

RIGHT
ARROW
BUTTON

Battery Type options: Two (2) AA 1.5 V non-rechargeable Alkaline batteries (BAT 001-2), 75 mA

Operating Frequencies: Selectable, 17 channels, 72.1 – 75.9 MHz*. Switchable 8 or 17 Channel Mode.

Stability: ± .005%, frequency synthesized, crystal reference, PLL

Modulation: Wide-band FM, 75 kHz peak, 75 µS pre-emphasis

RF Output: 80 mV/m at 3 m (max. allowed by FCC rules)

Frequency Response: 180 Hz to 13 kHz, ± 3 dB at 1% max. THD

Signal-to-Noise Ratio: 65 dB (typical) transmitted

Transmit Antenna: Integral with microphone cord

Microphone: Electret type, 3.5 mm mono plug

External Display: OLED for status and menu information.

External Controls: Momentary push button: push and hold 3 seconds for power On/O, push and

External Indicators: Power LED - Green, flashes when battery is low

Mic Input: 3.5 mm mono jack with electret mic bias, adjustable gain with

Aux Input: 2.5 mm stereo jack, adjustable gain with 60 dB range

Audio Compression: 1:1 (o) or 2:1 (on) selectable in menu

Compatible Receivers: PFM R31, PFM R32, PFM R33, PFM R36, PPA R35, PPA R37, PPA R35-8, PPA

Approvals/Directives: FCC, Industry Canada, RoHS, WEEE

Warranty: Lifetime PLUS Limited Warranty, 90 Days on most accessories.

faceplate

nominal current drain, up to 30 hours battery life

Two (2) AA 1.5 V NiMH rechargeable batteries (BAT 026-2), 75 mA nominal
current drain, up to 20 hours battery life per charge, recharges in 14–16 hours,
uses CHG 3502 or CHG 3512 Charger

(8-channel mode setting corresponds with PPA R35-8 receiver channels)

Status: Ch/Freq, Mic Audio Level, Auxiliary Input Audio Level, Battery Status, Mic
Mute, Channel Lock, Dual-Preset mode.
Menu: Ch/Freq display mode select, Volume, Aux Input, Compression,
17 or 8-channel mode, screen time out, screen brightness, restore default
settings

release for microphone mute On/O. “Up”, “Down” and “Menu” buttons for
accessing and changing transmitter settings. Battery type switch (Alkaline or
NiMH) located behind the battery compartment door

25 dB range

R1600,

NOTE: FCC REGULATIONS, SECTION 15.21, REQUIRES THE USER TO COMPLY WITH THE RULES OF TRANSMITTER OPERATION. ANY CHANGES
OR MODIFICATIONS MADE BY THE USER NOT EXPRESSLY APPROVED FOR COMPLIANCE MAY RESULT IN THE LOSS OF ALL PRIVILEGES AND
AUTHORITY TO OPERATE THE EQUIPMENT

*DISCLAIMER: FCC RULES LIMIT USE OF THIS EQUIPMENT TO AUDITORY ASSISTANCE