JTS SIEM-111T User manual

ATTENTION
Please pay high attention to the following information.
Sound Level (dB) Duration per day (hrs)
The guideline published by Occupational Safety Health
Administration (OSHA) in United States indicates
overload volume level for prolonged listening may harm
your hearing. Here below are referenced data
on maximum time exposure to sound level before
hearing injury occurs.
90
92
95
97
100
102
105
110
115
8
6
4
3
2
1.5
1
0.5
0.25
140 Avoid or injury may occur

TABLE OF CONTENTS
1. Important Cautions
2. Features
3. Specification
3-1 SIEM-111T / SIEM-111R
3-2 IE-1 (Optional Accessory)
4. Parts Identification
4-1 SIEM-111T
4-2 SIEM-111R
4-3 Optional Accessory
Thank you for choosing the JTS in ear monitoring system. In order
to obtain the best efficiency fromthe system, you are recommended
to take few minutes to read this instruction manual carefully.
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1
3
4
8
13
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26
5. Preparing Procedures
5-1 SIEM-111T
5-2 SIEM-111R
5-3 Optional Accessory
6. Basic Operation
6-1 SIEM-111T
6-2 SIEM-111R
7. Installation Assignment
8. Recommendations

1.Important Cautions
．Make all connections before plugging the unit into an
AC power outlet.
．Do not leave the devices in a place with high
temperature or high humility.
．Do not handle the power cord with wet hands.
．Keep the devices away from fire and heat sources.
．Avoid prolonged listening at overhigh volume. It may
cause injury to your ears.
2.Features
．The system is based on JTS reliable UHF PLL
technology.
．There are 961 selectable channels available. As many
as 16 sets of SIEM-111 transmitters can work on the
same stage.
．The system offers 4 groups of each 16 compatible
preset channels. This allows monitor engineer to set
up systems easily.
．Full metal cases on both SIEM-111T and SIEM-111R.
．Full LCD display with backlight on both SIEM-111T
and SIEM-111R.
．Lock-on mode on both SIEM-111T and SIEM-111R.
．Switching power is provided on SIEM-111T.
(100~240V)
．-10 dB input select switch on SIEM-111T
．Loop out connector on SIEM-111T for multiple
setups with ease.
．Headphone monitor on SIEM-111T, which is
convenient for engineers.
．MPX stereo Audio Transmission
．Hi frequency booster is equipped on SIEM-111R.
．Volume and balance controls are on the SIEM-111R.
．Built in dynamic limiter on SIEM-111R
．The wideband DynaDriver earphone reproduces full
range of frequency, natural mids, and full
highs and bass. (Optional accessory：IE-1)
．Human friendly mechanical structure of the earphone
ensures long time fatigueless wearing.
(Optional accessory：IE-1)
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1 2 5 6 7 8 9
4
3
4.Parts Identification
4-1 SIEM-111T
Front Panel
3.Specification
3-1 SIEM-111T/SIEM-111R
1. S/N ratio: 80 dB (A weighted)
2. Image rejection: 80 dB
3. Channel separation: 35 dB
4. Input level select switch: 0 dB/-10dB
5. Switching power supply: 100-240 V
6. Two pcs of AA battery with life over 12 hours
7. Net weight: SIEM-111T: 1.45kg
SIEM-111R: 0.2kg
3-2 IE-1 (Optional Accessory)
34
Frequency Response 10 ~ 20,000 Hz
Transducer Type Dynamic
Impedance 16 Ω
Sensitivity (at 1 kHz) 114 dB/mW
Distortion Less than 0.3 %
Cord Length 58”
Net Weight 6 g (cable excluded)
10 Antenna
1 Power Switch
2 LCD Display
3 “ + ” Switch
4 Set Switch
5 “ - ” Switch
6 Volume Control
7 Monitor Volume Control
8 1/8” Stereo Phone Jack
9 1/4” Stereo Phone Jack
NOTE: Use only one stereo phone
jack at one time.
MONITOR
POWER VOLUME
+
-
SET

56
Rear Panel
1 AC Power Socket and Fuse
2 Balanced Loop Out Connector CH.1
3 Balanced Loop Out Connector CH.2
4 Balanced XLR/φ6.3mm Combo Input Left / CH.1
5 Balanced XLR/φ6.3mm Combo Input Right / CH.2
6 BNC Antenna Output Socket
1
234
5
6
7
8
2 43
10
10 Battery Tray
4-2 SIEM-111R
1 Antenna
2 Power Switch and Volume Control
3 Balance Control
4 1/8” Stereo Phone Jack
5 LCD Display
6 “ + ” Switch
7 “ - ” Switch
8 Set Switch
9 Belt Clip
+
-
SIEM-111R
Receiver
4 5 6
INPUT: 100-240 VAC
0.2A MAX. 50/60 Hz
FUSE: 150mA 250V
LOOP
OUT
LEFT / CH.1 IN RIGHT / CH.2 IN
ANTENNA OUT
CH.1 CH.2
321 9

3
1
2
78
4-3 Accessory
1. IE-1
1 Earphone
2 Silicon Sleeve
3 Cord
4 1/8” Stereo Phone Plug
5 Case
2. IE-5 / IE-6 (Optional)
3. RM-901 Rack Mount Kit
4. RTF-1 Antenna Extension Cable
5. RTF-20 Antenna Extension
Cable (20 meters)
5. Preparing Procedures
5-1 SIEM-111T
1. Set the rubber pad
Four self-adhesive rubber pads are provided to ensure the
stability. They are to be placed on the bottom of the
transmitter.
2. Attach the antenna
The user-friendly antenna comes with BNC connector.
Connect the antenna on the rear of the transmitter and
align it upward.
INPUT: 100-240 VAC
0.2A MAX. 50/60 Hz
FUSE: 150mA 250V
LOOP
OUT
LEFT / CH.1 IN RIGHT / CH.2 IN
ANTENNA OUT
CH.1 CH.2
ANTENNA OUT
4
5

910
3. Connect the main unit
Connect the AC INPUT in the rear panel of SIEM-111T
to an AC power socket with the supplied AC power cord.
4. Connect the audio source, such as a mixer.
Connect the mixer output to the XLR /φ6.3mm combo
input in the rear panel of SIEM-111T with the AF input
cable.
NOTE: Two balanced XLR /φ6.3mm combo inputs are
provided. You may use either one input or both for a stereo
source. Also, two balancedφ6.3mm loop out connectors are
provided for multiple systems application.
5-2 SIEM-111R
1. Insert and replace batteries
(1) The battery tray is on the base of the receiver.
(2) Hold both sides on the base of the receiver and release
the battery tray. (Figure 1)
(3) Upright the battery tray.(Figure 2)
(4) Push down and slide the lid of the battery tray
outward.(Figure 3)
(5) Uncover the lid and insert two pieces of 1.5V AA
batteries according to the polarity indication. (Figure 4)
(6) Cover back the lid. Push down and slide the lid
inward.(Figure 5)
(7) Slide back the battery tray into the base of the
receiver.(Figure 6)
STEP 1
STEP 2
AC INPUT
AC POWER SOCKET
XLR/φ6.3mm COMBO INPUT
INPUT: 100-240 VAC
0.2A MAX. 50/60 Hz
FUSE: 150mA 250V
LOOP
OUT
LEFT / CH.1 IN RIGHT / CH.2 IN
ANTENNA OUT
CH.1 CH.2
STEP 1
STEP 2
Figure2
Figure 1 Figure 3
Figure 4 Figure 5 Figure 6

11 12
2. Connect with the earphone IE-1
(1) Plug the earphone into the jack of the receiver.
(Figure 1)
(2) Make sure the volume is at low level to avoid injury
to your ears.
(3) Insert earphones into your ear at a correct position.
(Figure2)
(4) Check if the silicon sleeve is suitable for your ear. If
not, replace with other sizes of sleeves for comfort
and best isolation. (Figure 3)
(5) Make sure correct channels are chosen. The letter
“R” and “L” on the earphones indicate the right and
left channels respectively.
5-3 Optional Accessory
1. DR-900/RP-900 Rack Mount Kit
Rack mount kit is available to install the half rack
transmitter into a standard EIA rack.
2. RTF-1 RTF-20 Antenna Extension Cable
Antenna extension cable enables front mounting antenna
which benefits reduction of RF interference.
Figure 3
Figure 1 Figure 2
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-
+
-
RL