The Rolls HR78/RMS271 is an AM/FM digital tuner. This owners manual covers the introduction, features, inspection, front and rear panel descriptions, connection, operation, and specifications.
The HR78 provides 12 FM and 6 AM presets and retains presets when power is off. It includes a large digital LCD display, a level control, a 9/10 kHz bandwidth select switch, and RCA and 1/8-inch stereo outputs. Power is supplied by 12 VDC, 200 mA using a Rolls Model PS27.
| FM tuning range | 87.5 - 108 MHz |
|---|---|
| AM tuning range (US) | 520 - 1710 |
| AM tuning range (International) | 531 - 1602 kHz |
| Max output at 1 kHz | 0.5V +/- 0.05V |
| Supply voltage | 12 VDC, 200mA (Rolls Model PS27) |
| Dimensions | (190w x 185d x 42.5h) mm |
| Presets | 12 FM and 6 AM presets |
| Stereo outputs | RCA and 1/8" (3.5 mm) Stereo Outputs |
The HR78 has 12 FM presets and 6 AM presets.
Select the station with the TUNING buttons, press MEMORY, then press the desired Preset Number button.
Yes, the HR78 retains presets when power is off.
It selects between 9 and 10 kHz frequency centers for the AM section; the power must be off when changing it.