Toa HF-670M Manuals

TOA INTERCOM SYSTEMS SURFACE-MOUNTED MASTER STATION AND HANDSET UNIT HF-670M/HS-670 DESCRIPTION The TOA HF-670M heavy-duty industrial-use master station is designed to operate with maximum reliability in extreme environments, such as high-noise or dust-filled areas where an ordinary intercom station cannot be used. It provides hands-free intercom communications, as well as handset operation when used with the HS-670 handset unit. The HF-670M station can communicate with all other master stations in the system. The HF-670M is equipped with 13 dialing keys, an in-use lamp for eavesdropping protection, and pre-adjustable microphone sensitivity and output level volume controls. When it is used with a separate (PAM-05) booster amplifier and (DS-100) DC power supply unit, the HF-670M can perform high-level paging. *The HF-670M does not have a built-in speaker. A separate speaker such as the TC-101 A is required. FEATURES 1. Rugged, heavy-duty master station designed for industrial use. 2. Splashproof construction. 3. HS-670 handset unit enables private conversations. 4. Powerful paging capability for high noise level areas when used with external loudspeaker, plus optional PAM-05 booster amplifier and DS-100 DC power supply unit. 5. Large, easily visible in-use lamp. 6. Large keys for operational ease. 7. Surface-mounted type. 8. Pre-fixed volume controls to adjust microphone sensitivity and speaker sound level.