Hosiden Besson TEST TELEPHONE 290 Manual page 7

RECALL
MUTE
SOUNDER
CORDAGE
self adhesive label to record the memory location
A
information is supplied, for fitting below the
microphone vents.
Earth recall
(ER)
both available. Earth recall uses a metallic contact.
Operating the
MUTE
When the 290 is in monitor, an incoming call will be
audibly indicated. If required, pressing the POL button
will cause the LEDs to flash in sympathy with ringing
cadence.
T he line cord on this Test Telephone is removeable
without having to disassemble the unit. Replacement
cords are available.
and T imed Break recall
button will mute the microphone.
are
(TBR)