Several models with different features: TS-907, TS-903F, TS-904,
Additional pedhead mounted beaconing speaker (TS-995) available
Exploded diagram of prisma APS showing
modular construction. The vibrotactile arrow on the top cover can
be placed in any orientation.
Prisma TS-907, with electronic front panel
actuation, actuation indicator, tactile arrow, and tactile crosswalk
Standard features WALK indication
Rapidly repeating percussive tone.
Pushbutton locator tone
Automatic volume adjustment within range of 55- 95 dB
Actuation indicator - light and tone
Crosswalk tactile map (Braille map)
Optional features Walk Indication
10 different WALK tones available by setting dip switch
Vibrating button or arrow on bottom or top of device
Speech WALK message
Additional beaconing speaker for mounting at overhead location
10 different locator tones available by setting dip switch.
Pushbutton information message 1- 16 seconds
Night switch to change to less obtrusive sound
Double-ended arrow available for use on medians
Right-angle arrow available for use with exclusive pedestrian phasing, where there is a single pushbutton on a corner
Volume min/max levels are adjustable by installer.
Tactile arrow is mounted horizontally on top of device, allowing some latitude in placement of APS on pole, while still making it possible to align the arrow parallel with the associated crosswalk.
Manufacturer is developing a model that is programmable on the street, using a PDA-type device. The new model will have these additional features:
Long button press to request louder walk signal followed by louder locator tone for the subsequent clearance interval.