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2-Way RF Wireless Touchpanel Crestron STX-1700C
Appendix A: Optimum RF Reception Guidelines
Many factors can affect the reliability of RF communication between an RF gateway
and an RF touchpanel. While an effort has been made to determine operating
specifications, some specifications are not constant. RF Communication can be
limited by several factors including but not limited to EMI (electromagnetic
interference), intervening objects, antenna orientation and receiver placement. To
obtain maximum reliability and performance, some basic rules for installing RF
transceivers are listed below.
Minimize Interference
RF reception range can be hindered by spurious EMI noise that may interfere with or
mask the desired frequency thereby reducing useable range. EMI is generated by any
electrical device at various RF noise levels depending on the device. Sources of EMI
include computers, video equipment, digital processors, lighting dimmers, lighting
ballasts, motors or any large AC source. Every effort should be made to separate any
RF transceiver from these sources of RF noise including Audio Visual equipment in
racks. If a gateway must be installed in an equipment rack, make sure you have
ample separation between the equipment and the gateway.
Gateway Placement
Optimum reception for any RF transceiver is obtained by installing the gateway\
transceiver in an open area or shelf with a clear line of sight (no obstructions
between gateway and receiver). Crestron recommends that the gateway is at least
five to six feet high for best results. Avoid placing transceivers or transmitters at a
low height or on the ground. Placing RF equipment near metal objects, walls, corners
or metal enclosures will compromise RF propagation and reception. Try to avoid
installing gateways in equipment racks, service rooms, electrical closets or in rooms
other than that which the panel or transmitter is located.
Antenna Orientation
The antenna orientation on Crestron gateways has considerable effect on range and
reliability. Optimum performance is obtained by setting the antenna horizontally
(parallel to the ground). When absolutely necessary, two alternate orientations are
possible – each will be less effective than the horizontal orientation:
Point the antenna vertically
Point the antenna at a right angle to the gateway.
These may allow for rack or equipment closet doors to be shut but these orientations
may also compromise reception. Never point the antenna downward or directly
parallel to the front panel, this will decrease range and reliability. Refer to
illustrations on the next page for examples of the different antenna orientations.
NOTE: RF propagation is best from the sides of the antenna.
30
• 2-Way RF Wireless Touchpanel: STX-1700C Operations Guide - DOC. 6226A
- Crestron STX-1700C 1
- 2-Way RF Wireless Touchpanel 1
- Operations Guide 1
- Contents 3
- STX-1700C 5
- Roaming Feature 6
- Specifications 7
- Physical Description 8
- Physical Views (continued) 9
- Industry Compliance 10
- Applying Power 10
- Identity Codes 11
- Configuring the Touchpanel 12
- Battery Status 13
- Select Interface 13
- Key Click Setup 14
- Brightness 14
- Startup Preference 14
- DIAGNOSTICS MENU 15
- Programming Software 16
- Expanded PRO2 System Tree 18
- C2Net Device, Slot 9 18
- Signal Types 20
- Device Extenders 21
- Programming with VT Pro-e 22
- Optional Pushbuttons 22
- Reserved Join Numbers 22
- Uploading and Upgrading 23
- Communication Settings 24
- “Port Settings” Window 27
- Uploading a VT Pro-e Project 28
- Firmware Upgrades 29
- “Select Network ID” Window 30
- Select CSF File 30
- Problem Solving 31
- Out of Range Feature 32
- Further Inquiries 33
- Future Updates 33
- Minimize Interference 34
- Gateway Placement 34
- Antenna Orientation 34
- Front of 35
- Building 35
- Software License Agreement 37
- PROPRIETARY RIGHTS 38
- GOVERNING LAW 38
- CRESTRON LIMITED WARRANTY 38
- Return and Warranty Policies 39
- Tel: 888.CRESTRON 40
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