Huntleigh Healthcare Limited Huntleigh Diagnostic Products Division SF1US 사용자 설명서
33
Tr
ouble Shooting
8.3 Changing the RF-channel
Wireless transmission can be disturbed by other transmitters running on the
same frequency. If there are several Freedom units in one ward, all receivers
must be set to different channel numbers. The operating channel is set
using the controls located on the rear panel of the Freedom receiver. This is
performed as follows:
1. Disconnect the receiver from the mains and wait until all LEDs are off.
same frequency. If there are several Freedom units in one ward, all receivers
must be set to different channel numbers. The operating channel is set
using the controls located on the rear panel of the Freedom receiver. This is
performed as follows:
1. Disconnect the receiver from the mains and wait until all LEDs are off.
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2. Use the code-switches on the rear panel of the receiver to select the new
channel number.
channel number.
WMTS (USA) :
00 - 99 (100 channels - see Appendix 1)
ISM :
00 - 25 (26 channels - see Appendix 2)
3. Re-connect the receiver unit to mains and wait until the LED test is fi nished.
4. Insert the US-transducer unit into a charging bay and wait until charging is
indicated.
Now the new channel is installed for receiver and transducer. This procedure
takes about 20 seconds; please do not interrupt this process. In case of unusual
behaviour of this process please retry this procedure.
takes about 20 seconds; please do not interrupt this process. In case of unusual
behaviour of this process please retry this procedure.
Note:
Transducer frequency is set by the reciever and cannot be
adjusted.
Note :
The serial numbers from installed and matched receiver and
transducer units should be recorded for future use if required.
This may be important if several telemetry systems are used
within a ward or confi ned area.