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MAN0530 Issue 15 - 07/17
2104M0506
3. INSTALLATION AND OPERATION
Bayonet-style Trident-type telescope assembly
Caution: This type of telescope assembly must only be used with Trident-type Excel
units.
This type of telescope assembly consists of a telescope and mirror attached to a datum mount.
The mount features a bayonet fitting for attaching the assembly to the Excel unit.
The datum mount has a handle for rotating and locking the whole assembly over the cowl and
onto the Excel unit's body.
Before tightening the datum mount the telescope can be rotated to a convenient viewing
position.
To remove the telescope assembly reverse the following mounting procedure.
(a)
Align the telescope's two datum mount bayonet slots with the two locating pins
on the cowl of the unit as shown.
Bayonet slot
(2 off)
Datum mount
Mirror assembly
(b)
Push the telescope datum mount fully home onto the two pins on the cowl.
(c)
Without disturbing the datum mount use one hand to rotate the telescope to a
comfortable viewing position and hold it in that position.
A horizontal viewing position is the easiest to interpret.
Bayonet locating
pin (2 off)
Alignment telescope
Excel Unit
41
Searchline Excel
Telescope
viewfinder
Locking handle
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