Arrow for direction of movement
(Near centre bar)
Centre bar
(Near centre bar)
Arrow for direction of movement
Display of audible signal
(3 stages)
Issuing ofaudible
signal (on reverse)
Illuminated
LCD – Display
(on reverse too)
Centre notch
On/Off
Audible signal
Battery compartment
(on reverse)
TE 7
Display
Coarse
Fine
20
Battery display
Sensor window
LED for direction
of movement
LED for Centre
LED for direction
of movement
Illumination
Fin / Coarse