![background image](http://html2.mh-extra.com/html/omega/hhm9007r/hhm9007r_user-manual_4023396008.webp)
11. HOLD Button
(1) Press [HOLD] button to toggle in and out of the Data
Hold mode. In the data hold mode, the "HOLD
annunciator is displayed and the last reading is held on
the display.
(2) Press [HOLD] button again to release the hold and
current readings are once again displayed.
12. HFR Button
Shift "HFR1" (High Frequency reject: > 1kHz)
"HFR2" (High Frequency reject: > 100kHz), on
AC Volts range.
13. PEAK± cal>2s Button
(1) Record the peak+ or peak- value in a measurement. It is
usable with AC voltage, AC current measurements. If
the pressed time >2 sec, the PEAK function will enter to
calibration mode, the LCD will show "CAL" and the
internal buffer will remember the internal op off set
voltage then back to the measure mode.
(2) Press PEAK± button for more than 2 seconds to exit.
(3) Response time: more than 1ms.
14. REL
Button
(1) Press (REL ) button to enter the Relative mode. The
" " appears to indicate that the relative mode is
activated and non-zero number is offset and saved. The
flashing " " appears and the offset value displays at
the same time for comparison with the reading of
measurement.
(2) After finishing the measurement, press (REL ) button
for more than 2 seconds to exit.
15. RANGE Button
(1) Press (RANGE) button to select the Manual Range
mode (The meter remains in the range it was in when
manual ranging was selected).
(2) In the Manual Range mode, each time you press
(RANGE) button, the range (and the input range
annunciator) increments, and a new value is displayed.
To exit the Manual Range mode and return to
autoranging, press and hold down (RANGE) button for
2 seconds.
16. Display
The display indicates the measured value of a signal,
function mode, and annunciator.
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