Ricoh 43-3102 - Manual (Page 7)

Serv
ice an
d Repair
7
5'48+%'"#0&"4'2#+4
If your intercoms are not performing as they should, take
them to your local RadioShack store for assistance.
Modifying or tampering with the intercom’s internal
components can cause a malfunction and might invalidate its
warranty and void your FCC authorization to operate them.
52'%+(+%#6+105
Receiver Section
20 dB Quieting Sensitivity (Local) ............................................ 2
µ
V
Frequency Accuracy ............................................................. 0 KHz
Image Rejection (12dB SINAD) ............................................. 32 dB
Spurious Rejection (12dB SINAD) ......................................... 40 dB
Channel Selectivity ± 500KHz ............................................... 50 dB
Squelch Threshold ..................................................... 20 dB SINAD
S/N at 1mV input, ± 38KHz deviation (A-weight) (@ROP) .... 60 dB
Distortion at 1K Hz, ± 38K Hz Deviation (@ROP) ..................... 1%
10% THD Output Power .................................................... 500 mW
Current Drain at Reference Output ..................................... 160 mA
Transmitter Section
RF Power Output at 50
Ω ..............................................
+3 dBm
Harmonic and Spurious Radiation Suppression .................... 40 dB
MIC Input Sensitivity (@38 kHz Deviation) .......................... 2.5 mV
AUX Input Sensitivity (@38 kHz Deviation) ........................ 150 mV
Sub Tone Deviation ............................................................. 10 KHz
Call Tone Deviation ............................................................. 35 KHz
Alert Tone Deviation ............................................................ 32 KHz
Total Harmonic Distortion ........................................................... 1%
Current Drain ........................................................................ 55 mA
General Performance
Battery Low Indication ............................................................ 4.0 V
Minimum Operation Voltage (Battery) ..................................... 3.5 V
Operation Range (line of sight) .......................................... 200 feet
Overall Frequency Response (–3 dB Bandwidth) ........ 300 - 10kHz
Current Drain at Standby Mode ............................................ 18 mA
Charging Time for 80% ....................................................... 10 hour
Weather Alarm Input Sensitivity ................................................. 5 V
VOX Sensitivity ..................................................................... 13 mV
Specifications are typical; individual units might vary. Specifications
are subject to change and improvement without notice.
43-3102.fm Page 7 Monday, May 13, 2002 10:01 AM