CHIAYO SDR-1900 IrDA - Manual (Page 8)

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When the transmitter is switched ON, the battery power LED (red) will blink once to indicate the
batteries installed are in good condition. If the LED remains illuminated the batteries have
expired and require replacement.
Channel synchronizing of the receiver and transmitter
1. To achieve a trouble-free synchronization, please limit the distance between the receiver and
transmitter to within 30cm.
2. Align both sensor areas
3. To change the receiver
’s channel, please press the synchronizing button of the transmitter.
The transmitter will transmit synchronizing signal to the receiver and change its channel.
4. To change the transmitter
’s channel, please press the synchronizing button of the receiver.
The receiver will transmit synchronizing signal to the transmitter and change its channel.
GAIN setting (GT｜MT)
Gain control enables the user to set different output levels. GT is for the use of instrument with
high impedance, such as guitar while MT is for the use of low impedance such as lapel or
headset microphones.
Other settings（SM-7100 IrDA｜SM-6100 IrDA）
1. Channel setting
Use MENU button to go to the CHANNEL｜FREQUENCY page.︰
After pressing the SET button for 3 seconds, the cursor will flash to allow changes to be made.
Pressing SET / MENU buttons will increase / decrease the channel number. The corresponding
frequency will change accordingly. 3 seconds after selecting a channel, it will be automatically
saved.
2. Battery type setting
Use MENU button to go to the BATTERY TYPE page.︰
After pressing the SET button for 3 seconds, the cursor will flash to allow changes to be made.
Press SET button to select either NiMH (rechargeable battery) or AKLN (alkaline battery). 3
seconds after selecting a battery type, it will be automatically saved.
Remark: NiMH battery must be selected when rechargeable battery is being used. Never
select AKLN (alkaline) when transmitter is intended for charging as alkaline battery isn
’t
rechargeable. Wrong battery selection will result in battery sensing electronics to display wrong
and misleading status information.
CHIAYO ELECTRONICS CO.,LTD.
Http://www.chiayo.com.tw｜Email: [email protected]
Office: 30, Lane 27, Section 4, Jen-Ai Road, Taipei 10685, Taiwan｜Tel: 886-2-27415741｜Fax: 886-2-27525242
Factory: 88, Chung-Hsiao Street 2, Chiayi 60080, Taiwan｜Tel: 886-5-2711000｜Fax: 886-5-5767611