Greenlee DM-60 A, User Manual, Page: 76 / 83

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The PO WER button
This is a s el f-lock switch us e to turn on or o ff the power o f the Meter .
The BLUE button
It uses for s electing the requir ed measur ement function when the re is mor e than one function at one position of the
rotary switch .
The Use of Relative Value Mode
The RE L mode applies to all measur ement functions e xcept in frequency/duty cy cle measure ment , it subtracts a stored
value fro m the pr esent value and displays the relative value (
∆
) as the r esult.
The definition is as follows:
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Relative value (
∆
) = p resent value – stor ed v alue .
For instan ce , i f th e stored valu e is è 20.0V and the pres ent value is 22.0V, the reading would be 2.0 V. I f a n ew
me asure ment value is equal to the stored value th en display 0.0 V.
To ente r or e xit
RE L mod e:
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Use rota ry switch to select the measur e ment fun ction be fo re s electing RE L
∆
. If measu re ment functions ch ange
manu ally aft er RE L
∆
is select ed, the M eter e xits the REL mode.
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Press REL
∆
to enter REL mode , autoranging turns off exc ept under cap acitan ce testing mode , and the present
me asure ment r ange is locked ad display the last measure ment v alue as “ 0” as the stored value.
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Press R EL
∆
again o r turn the rotary switch to r eset the stored valu e and exit REL mode .
Pressing
HO L D H in REL mode makes the Meter stop updating. Pressing H OL D H again to resu me upd ating.
O peration of Hold Mode
Warning – To a voi d possibility of ele ctri c shock, do not use Hol d mode to de te rmine if circ uits are
wit hout power. The Hold mo de will no t ca ptur e uns table or nois y readings .
The Hold mod e is applicabl e to all measu re ment function.
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Press H O LD H to enter Hold mode; the Meter be eps.
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Press H O LD H again or turn th e rot ary switch to exit Hold mode; the Meter be eps.
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In Hold mod e, H is display ed.