instruction:
Translate the given Spanish text to English
question:
The actuating means cooper-ate with elements actuating the springs of the hook switch.
answer:
DISPOSITIVO INTERRUPTOR DE GANCHO PARA APARATO TELEFONICO DE UN CUERPO.


question:
Optionally, a tape 7 with indicator data is incorporated.
answer:
OPTATIVAMENTE SE INCORPORA UNA CINTA (7) CON DATOS INDICADORES.


question:
Frames comprise odd fields and even fields.
answer:

Los cuadros comprenden campos impares y campos pares.