HATS Type 4128-C, Handset Positioner Type 4606 – User Manual38
Type 4606 has been developed expressly for use with Types 4128 and 4128-C HATS and bolts
directly to the top of the head of the HATS. Type 4606 positions most types of telephone
handset for measurements. All positions are repeatable by simply noting down the values
shown on the graduations in the special table provided (see section 4.3), and re-applying them.
Type 4606 allows measurement in both standardised and non-standardised positions. One of
the standardised positions is the HATS position (see section 4.3.5). Once a handset is set in the
HATS position where its ECRP and the HATS pinna ERP coincide, all rotational adjustments
provided by the Type 4606 occur around the ERP.
WARNING: The supplied feet (see Fig.1.2) must be fitted to HATS to provide added
stability. Otherwise, the additional weight of Type 4606 may lead to HATS tipping over and
being extensively damaged together with the Type 4606.
Handset Positioner for HATS Type 4606 consists of three major assemblies: The Cradle, the
Cradle Positioner Assembly and the Mounting Bracket. See Fig.4.1.
4.1.1 Accessories supplied with Type 4606
Fig.4.2 Accessories supplied with Type 4606: (1) Calibration Tool UA-1549; (2) O-rings (10 pcs.)
UA-0997; (3) Spikes, long (3 pcs.) UA-0999; (4) Spikes, short (3pcs.) UA-0998; (5) Feeler
Gauge QX-1253; (6) 4mm Allen Key QX-1173; (7) 3 mm Allen Key QX-1172; (8) 2.5 mm
Allen Key QX-1171
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