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JR RS77S 7 Channel PCM Autoscan | 
JR RS77S Overview Built on the same chassis as the popular R770 receiver, you're sure to love the same JR reliability along with the convenience of AutoScan tehcnology. JR RS77S Key Features - Change frequencies at the push of a button
- ABC&W Interference Protection System
- PCM digital modulation
- Small, light to fit in a wide variety of models
- Highly sensitive for great range
- Glitch-free PCM performance
- AutoScan automatically tunes to your transmitter's frequency
JR RS77S Specifications - Type: Synthesized
- # of Channels: 7-Channel
- Modulation: FM
- Band: 36MHz
- Dimensions:16 x 46 x 25 (HxLxW) mm
- Weight: 20g
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What is PCM and PPM? |
| The PCM receiver is a digital receiver that
uses normal FM Frequency, but the signal is an encoded digital signal in which
the PCM receiver interprets it as commands. Since the signal is digital, if
there are any interference or the signal is poor, the PCM receiver can be
programmed to go into a fail-safe mode. In this mode, the servos will move to a
pre-programmed position until the signal comes back.
PPM receivers are the "standard" type of receiver for most
radios. Glitches in signal are immediately noticed by erratic movements of the
servos.
JR's computerised radios give you the best of both worlds with
each transmitter software switchable between PPM FM and PCM for superior
interference rejection.
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want a quote on how much freight it will cost to send items to me.
![[JRPRS77S] RS77S, 7 channel synthesising PCM receiver. 36 Mhz. Never use crystals again! Dial up any frequency in the 36Mhz range instantly. best of all, its only $21 more than the standard R770S making it revolutionary as well as great value!](jr_pic/jr-receiver-gyro-agb.jpg)
